Home / 3,916.55-5,402.40-2,424.53

Finding the Fourth Proportional to 3,916.55, 5,402.40 and 2,424.53

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Solution

The fourth proportional to 3,916.55, 5,402.40 and 2,424.53 is: 3,344.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,916.55 : 5,402.40 = 2,424.53 : x
  2. Step 2: Convert to fraction form
    3,916.55/5,402.40 = 2,424.53/x
  3. Step 3: Cross multiply
    3,916.55x = 5,402.40 × 2,424.53
  4. Step 4: Simplify right side
    3,916.55x = 13,098,285.29
  5. Step 5: Solve for x
    x = 13,098,285.29/3,916.55
  6. Step 6: Final answer
    x = 3,344.34

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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.