Home / 5,649.61-8,474.15-2,685.89

Finding the Fourth Proportional to 5,649.61, 8,474.15 and 2,685.89

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Solution

The fourth proportional to 5,649.61, 8,474.15 and 2,685.89 is: 4,028.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,649.61 : 8,474.15 = 2,685.89 : x
  2. Step 2: Convert to fraction form
    5,649.61/8,474.15 = 2,685.89/x
  3. Step 3: Cross multiply
    5,649.61x = 8,474.15 × 2,685.89
  4. Step 4: Simplify right side
    5,649.61x = 22,760,620.27
  5. Step 5: Solve for x
    x = 22,760,620.27/5,649.61
  6. Step 6: Final answer
    x = 4,028.71

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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.