Home / 5,418.45-7,472.13-3,294.27

Finding the Fourth Proportional to 5,418.45, 7,472.13 and 3,294.27

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Solution

The fourth proportional to 5,418.45, 7,472.13 and 3,294.27 is: 4,542.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,418.45 : 7,472.13 = 3,294.27 : x
  2. Step 2: Convert to fraction form
    5,418.45/7,472.13 = 3,294.27/x
  3. Step 3: Cross multiply
    5,418.45x = 7,472.13 × 3,294.27
  4. Step 4: Simplify right side
    5,418.45x = 24,615,213.70
  5. Step 5: Solve for x
    x = 24,615,213.70/5,418.45
  6. Step 6: Final answer
    x = 4,542.85

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1.5x scale

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.