Home / 5,539.78-8,309.67-2,251.99

Finding the Fourth Proportional to 5,539.78, 8,309.67 and 2,251.99

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Solution

The fourth proportional to 5,539.78, 8,309.67 and 2,251.99 is: 3,377.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,539.78 : 8,309.67 = 2,251.99 : x
  2. Step 2: Convert to fraction form
    5,539.78/8,309.67 = 2,251.99/x
  3. Step 3: Cross multiply
    5,539.78x = 8,309.67 × 2,251.99
  4. Step 4: Simplify right side
    5,539.78x = 18,713,293.74
  5. Step 5: Solve for x
    x = 18,713,293.74/5,539.78
  6. Step 6: Final answer
    x = 3,377.99

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Similar ratio
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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.