Home / 5,089.97-7,637.25-3,240.61

Finding the Fourth Proportional to 5,089.97, 7,637.25 and 3,240.61

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Solution

The fourth proportional to 5,089.97, 7,637.25 and 3,240.61 is: 4,862.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,089.97 : 7,637.25 = 3,240.61 : x
  2. Step 2: Convert to fraction form
    5,089.97/7,637.25 = 3,240.61/x
  3. Step 3: Cross multiply
    5,089.97x = 7,637.25 × 3,240.61
  4. Step 4: Simplify right side
    5,089.97x = 24,749,310.54
  5. Step 5: Solve for x
    x = 24,749,310.54/5,089.97
  6. Step 6: Final answer
    x = 4,862.37

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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.