Home / 1,570.19-2,167.43-1,046.25

Finding the Fourth Proportional to 1,570.19, 2,167.43 and 1,046.25

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Solution

The fourth proportional to 1,570.19, 2,167.43 and 1,046.25 is: 1,444.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,570.19 : 2,167.43 = 1,046.25 : x
  2. Step 2: Convert to fraction form
    1,570.19/2,167.43 = 1,046.25/x
  3. Step 3: Cross multiply
    1,570.19x = 2,167.43 × 1,046.25
  4. Step 4: Simplify right side
    1,570.19x = 2,267,668.41
  5. Step 5: Solve for x
    x = 2,267,668.41/1,570.19
  6. Step 6: Final answer
    x = 1,444.20

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.