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Finding the Fourth Proportional to 5,791.38, 8,687.47 and 2,328.64

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Solution

The fourth proportional to 5,791.38, 8,687.47 and 2,328.64 is: 3,493.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,791.38 : 8,687.47 = 2,328.64 : x
  2. Step 2: Convert to fraction form
    5,791.38/8,687.47 = 2,328.64/x
  3. Step 3: Cross multiply
    5,791.38x = 8,687.47 × 2,328.64
  4. Step 4: Simplify right side
    5,791.38x = 20,229,990.14
  5. Step 5: Solve for x
    x = 20,229,990.14/5,791.38
  6. Step 6: Final answer
    x = 3,493.12

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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.