Home / 5,679.11-8,515.82-3,339.83

Finding the Fourth Proportional to 5,679.11, 8,515.82 and 3,339.83

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Solution

The fourth proportional to 5,679.11, 8,515.82 and 3,339.83 is: 5,008.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,679.11 : 8,515.82 = 3,339.83 : x
  2. Step 2: Convert to fraction form
    5,679.11/8,515.82 = 3,339.83/x
  3. Step 3: Cross multiply
    5,679.11x = 8,515.82 × 3,339.83
  4. Step 4: Simplify right side
    5,679.11x = 28,441,331.83
  5. Step 5: Solve for x
    x = 28,441,331.83/5,679.11
  6. Step 6: Final answer
    x = 5,008.07

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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.