Question

12. Find the fourth proportional to : 4.8, 1.6,5.4.
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Answer 1

Answer:

let the 4 th proportion is x

so,

4.8 : 1.6 = 5.4 : x

=> 4.8/1.6=5.4/x

=> 3=5.4/x

=> x=5.4/3=1.8

so, 4th proportion is 1.8