Home / 5,791.50-8,665.38-3,589.92

Finding the Fourth Proportional to 5,791.50, 8,665.38 and 3,589.92

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Solution

The fourth proportional to 5,791.50, 8,665.38 and 3,589.92 is: 5,371.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,791.50 : 8,665.38 = 3,589.92 : x
  2. Step 2: Convert to fraction form
    5,791.50/8,665.38 = 3,589.92/x
  3. Step 3: Cross multiply
    5,791.50x = 8,665.38 × 3,589.92
  4. Step 4: Simplify right side
    5,791.50x = 31,108,020.97
  5. Step 5: Solve for x
    x = 31,108,020.97/5,791.50
  6. Step 6: Final answer
    x = 5,371.32

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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.