Home / 1,718.29-2,371.22-932.32

Finding the Fourth Proportional to 1,718.29, 2,371.22 and 932.32

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Solution

The fourth proportional to 1,718.29, 2,371.22 and 932.32 is: 1,286.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,718.29 : 2,371.22 = 932.32 : x
  2. Step 2: Convert to fraction form
    1,718.29/2,371.22 = 932.32/x
  3. Step 3: Cross multiply
    1,718.29x = 2,371.22 × 932.32
  4. Step 4: Simplify right side
    1,718.29x = 2,210,726.31
  5. Step 5: Solve for x
    x = 2,210,726.31/1,718.29
  6. Step 6: Final answer
    x = 1,286.59

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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.