Home / 4,617.92-6,372.18-2,915.78

Finding the Fourth Proportional to 4,617.92, 6,372.18 and 2,915.78

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Solution

The fourth proportional to 4,617.92, 6,372.18 and 2,915.78 is: 4,023.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,617.92 : 6,372.18 = 2,915.78 : x
  2. Step 2: Convert to fraction form
    4,617.92/6,372.18 = 2,915.78/x
  3. Step 3: Cross multiply
    4,617.92x = 6,372.18 × 2,915.78
  4. Step 4: Simplify right side
    4,617.92x = 18,579,875.00
  5. Step 5: Solve for x
    x = 18,579,875.00/4,617.92
  6. Step 6: Final answer
    x = 4,023.43

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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.