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Finding the Fourth Proportional to 5,363.67, 7,400.61 and 3,124.38

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Solution

The fourth proportional to 5,363.67, 7,400.61 and 3,124.38 is: 4,310.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,363.67 : 7,400.61 = 3,124.38 : x
  2. Step 2: Convert to fraction form
    5,363.67/7,400.61 = 3,124.38/x
  3. Step 3: Cross multiply
    5,363.67x = 7,400.61 × 3,124.38
  4. Step 4: Simplify right side
    5,363.67x = 23,122,317.87
  5. Step 5: Solve for x
    x = 23,122,317.87/5,363.67
  6. Step 6: Final answer
    x = 4,310.91

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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.