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Finding the Fourth Proportional to 5,363.61, 7,402.50 and 3,125.58

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Solution

The fourth proportional to 5,363.61, 7,402.50 and 3,125.58 is: 4,313.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,363.61 : 7,402.50 = 3,125.58 : x
  2. Step 2: Convert to fraction form
    5,363.61/7,402.50 = 3,125.58/x
  3. Step 3: Cross multiply
    5,363.61x = 7,402.50 × 3,125.58
  4. Step 4: Simplify right side
    5,363.61x = 23,137,105.95
  5. Step 5: Solve for x
    x = 23,137,105.95/5,363.61
  6. Step 6: Final answer
    x = 4,313.72

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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.