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Summative Test # 4 in Mathematics 5 (Module 7)
Quiz by Van Aldrich Rosal
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A proportion is an expression that two ratios are unequal.
They are expressed using colon or a fraction.
In each proportion, the outer terms (first and last terms) are called the means.
The inner terms (second and third terms) are called the extremes.
A way to check if a given set of ratios form a proportion or not is to use the cross product rule. This rule states that in a proportion the product of the means equals the product of the extremes.
Which of the given ratios is equal to the ratio 1/3?
Which of the given ratios is equal to the ratio 3/5?
Which of the given ratios is equal to the ratio 2/9?
Which of the given ratios is equal to the ratio 3/8?
Which of the given ratios is equal to the ratio 4/5?
Which of the given ratios is equal to the ratio 4/7?
Which of the given ratios is equal to the ratio 3/4?
Which of the given ratios is equal to the ratio 1/3?
Which of the given ratios is equal to the ratio 2/5?
Which of the given ratios is equal to the ratio 3/13?
11/5 = 33/15
5/25 = 7/35
10/14 = 15/21
5/8 = 20/40
4/9 = 8/18