If the ratio of two numbers is 4:1 What is the ratio of its third proportion to its mean proportion?
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Four quantities are said to be in proportion, if the ratio of the first and the second quantities is equal to the ratio of the third and the fourth quantities. The symbol '::' or '=' is used to equate the two ratios. The order of terms in a proportion is important.
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1:8
Step-by-step explanation:
3rd proportion=1²/4=1/4
mean proportion=√4*1=2
required ratio=1/4:2=1:8
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