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Mathematics

Find four rational numbers between 4 and 4.5.

Rational Irrational Nos

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Answer

Let a = 4, b = 4.5 and n = 4

Difference between consecutive rational numbers =

ban+1=4.544+1=0.55=0.1\dfrac{b - a}{n + 1} = \dfrac{4.5 - 4}{4 + 1} = \dfrac{0.5}{5} = 0.1

Rational numbers between 4 and 4.5 are :

⇒ a + d, a + 2d, a + 3d, a + 4d

⇒ 4 + 0.1, 4 + 0.2, 4 + 0.3, 4 + 0.4

⇒ 4.1, 4.2, 4.3, 4.4

Hence, four rational numbers between 4 and 4.5 are 4.1, 4.2, 4.3 and 4.4.

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