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Finding the Fourth Proportional to 5,291.54, 7,938.39 and 1,593.62

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Solution

The fourth proportional to 5,291.54, 7,938.39 and 1,593.62 is: 2,390.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,291.54 : 7,938.39 = 1,593.62 : x
  2. Step 2: Convert to fraction form
    5,291.54/7,938.39 = 1,593.62/x
  3. Step 3: Cross multiply
    5,291.54x = 7,938.39 × 1,593.62
  4. Step 4: Simplify right side
    5,291.54x = 12,650,737.38
  5. Step 5: Solve for x
    x = 12,650,737.38/5,291.54
  6. Step 6: Final answer
    x = 2,390.75

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.