Home / 5,778.20-8,661.72-3,692.36

Finding the Fourth Proportional to 5,778.20, 8,661.72 and 3,692.36

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Solution

The fourth proportional to 5,778.20, 8,661.72 and 3,692.36 is: 5,534.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,778.20 : 8,661.72 = 3,692.36 : x
  2. Step 2: Convert to fraction form
    5,778.20/8,661.72 = 3,692.36/x
  3. Step 3: Cross multiply
    5,778.20x = 8,661.72 × 3,692.36
  4. Step 4: Simplify right side
    5,778.20x = 31,982,188.46
  5. Step 5: Solve for x
    x = 31,982,188.46/5,778.20
  6. Step 6: Final answer
    x = 5,534.97

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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.