4.22 = 4 7/31 4 is the whole number. 7 divided by 31 = 0.22
4 31 7 = 4.225806451... ≈ 4.226
The mixed number 4 31 7 is converted to a decimal by dividing 7 by 31 and then adding it to 4, resulting in 4.2258064516 . When rounded to the nearest thousandth, this becomes 4.226 . Therefore, the answer is 4.226 .
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