If 1st, 2nd and 4th terms of a proportion are respectively 5.2,3.9 and 3, then its third term is
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1
4 is the answer............
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5
Step-by-step explanation:
For a given proportion,
Product of extremes = Product of means
First term × Fourth term = Second term × Third term
Fourth term = 2nd term × 3rd term
1st term
= 3.9 × 3
5.2
= 1.3
5.2
= 4 (Ans)
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