Home / 2,292.31-3,438.28-732.25

Finding the Fourth Proportional to 2,292.31, 3,438.28 and 732.25

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Solution

The fourth proportional to 2,292.31, 3,438.28 and 732.25 is: 1,098.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,292.31 : 3,438.28 = 732.25 : x
  2. Step 2: Convert to fraction form
    2,292.31/3,438.28 = 732.25/x
  3. Step 3: Cross multiply
    2,292.31x = 3,438.28 × 732.25
  4. Step 4: Simplify right side
    2,292.31x = 2,517,680.53
  5. Step 5: Solve for x
    x = 2,517,680.53/2,292.31
  6. Step 6: Final answer
    x = 1,098.32

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.