Home / 3,229.59-4,456.48-1,812.99

Finding the Fourth Proportional to 3,229.59, 4,456.48 and 1,812.99

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Solution

The fourth proportional to 3,229.59, 4,456.48 and 1,812.99 is: 2,501.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,229.59 : 4,456.48 = 1,812.99 : x
  2. Step 2: Convert to fraction form
    3,229.59/4,456.48 = 1,812.99/x
  3. Step 3: Cross multiply
    3,229.59x = 4,456.48 × 1,812.99
  4. Step 4: Simplify right side
    3,229.59x = 8,079,553.68
  5. Step 5: Solve for x
    x = 8,079,553.68/3,229.59
  6. Step 6: Final answer
    x = 2,501.73

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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.