In the number 5,642, the digit 4 is in the hundreds place, which means its value is 400.
If the 4 is moved one place to the left, it will be in the thousands place. In that position, the value of 4 would be 4,000.
To find out how many times the new value is compared to the original value, we can divide the new value by the original value:
\[ \frac{4,000}{400} = 10 \]
So, if the 4 was moved one place to the left, its value would be 10 times the value it represents in 5,642.
Thus, the value of 4 moved one place to the left would be 4,000.
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