Home / 5,517.86-7,614.68-2,999.99

Finding the Fourth Proportional to 5,517.86, 7,614.68 and 2,999.99

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Solution

The fourth proportional to 5,517.86, 7,614.68 and 2,999.99 is: 4,140.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,517.86 : 7,614.68 = 2,999.99 : x
  2. Step 2: Convert to fraction form
    5,517.86/7,614.68 = 2,999.99/x
  3. Step 3: Cross multiply
    5,517.86x = 7,614.68 × 2,999.99
  4. Step 4: Simplify right side
    5,517.86x = 22,843,910.78
  5. Step 5: Solve for x
    x = 22,843,910.78/5,517.86
  6. Step 6: Final answer
    x = 4,140.00

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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.