Home / 6,625.62-9,143.01-3,641.85

Finding the Fourth Proportional to 6,625.62, 9,143.01 and 3,641.85

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Solution

The fourth proportional to 6,625.62, 9,143.01 and 3,641.85 is: 5,025.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,625.62 : 9,143.01 = 3,641.85 : x
  2. Step 2: Convert to fraction form
    6,625.62/9,143.01 = 3,641.85/x
  3. Step 3: Cross multiply
    6,625.62x = 9,143.01 × 3,641.85
  4. Step 4: Simplify right side
    6,625.62x = 33,297,470.97
  5. Step 5: Solve for x
    x = 33,297,470.97/6,625.62
  6. Step 6: Final answer
    x = 5,025.56

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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.