Home / 5,748.85-8,634.21-3,572.78

Finding the Fourth Proportional to 5,748.85, 8,634.21 and 3,572.78

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Solution

The fourth proportional to 5,748.85, 8,634.21 and 3,572.78 is: 5,365.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,748.85 : 8,634.21 = 3,572.78 : x
  2. Step 2: Convert to fraction form
    5,748.85/8,634.21 = 3,572.78/x
  3. Step 3: Cross multiply
    5,748.85x = 8,634.21 × 3,572.78
  4. Step 4: Simplify right side
    5,748.85x = 30,848,132.80
  5. Step 5: Solve for x
    x = 30,848,132.80/5,748.85
  6. Step 6: Final answer
    x = 5,365.97

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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.