Home / 3,229.97-4,479.99-3,098.75

Finding the Fourth Proportional to 3,229.97, 4,479.99 and 3,098.75

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Solution

The fourth proportional to 3,229.97, 4,479.99 and 3,098.75 is: 4,297.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,229.97 : 4,479.99 = 3,098.75 : x
  2. Step 2: Convert to fraction form
    3,229.97/4,479.99 = 3,098.75/x
  3. Step 3: Cross multiply
    3,229.97x = 4,479.99 × 3,098.75
  4. Step 4: Simplify right side
    3,229.97x = 13,882,346.61
  5. Step 5: Solve for x
    x = 13,882,346.61/3,229.97
  6. Step 6: Final answer
    x = 4,297.99

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.