Question

10) First second and third terms of a proportion
are respectively, 4, 6 and 8. Find its founrth term.
(b) First second and fourth terms of
proportion are respectively 5.2, 3.9 and 3 Find its third term. ​

Answer 1

Answer:

a) 12

b) 4

Step-by-step explanation:

a) 4:6 :: 8 : x

4x= 48

x= 12

b) 5.2 : 3.9 :: x : 3

15.6 = 3.9x

15.6/ 3.9 = x

x = 4