Home / 5,168.20-7,750.92-2,245.82

Finding the Fourth Proportional to 5,168.20, 7,750.92 and 2,245.82

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Solution

The fourth proportional to 5,168.20, 7,750.92 and 2,245.82 is: 3,368.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,168.20 : 7,750.92 = 2,245.82 : x
  2. Step 2: Convert to fraction form
    5,168.20/7,750.92 = 2,245.82/x
  3. Step 3: Cross multiply
    5,168.20x = 7,750.92 × 2,245.82
  4. Step 4: Simplify right side
    5,168.20x = 17,407,171.15
  5. Step 5: Solve for x
    x = 17,407,171.15/5,168.20
  6. Step 6: Final answer
    x = 3,368.13

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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.