Home / 5,217.57-7,200.33-2,859.75

Finding the Fourth Proportional to 5,217.57, 7,200.33 and 2,859.75

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Solution

The fourth proportional to 5,217.57, 7,200.33 and 2,859.75 is: 3,946.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,217.57 : 7,200.33 = 2,859.75 : x
  2. Step 2: Convert to fraction form
    5,217.57/7,200.33 = 2,859.75/x
  3. Step 3: Cross multiply
    5,217.57x = 7,200.33 × 2,859.75
  4. Step 4: Simplify right side
    5,217.57x = 20,591,143.72
  5. Step 5: Solve for x
    x = 20,591,143.72/5,217.57
  6. Step 6: Final answer
    x = 3,946.50

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.