Home / 5,169.20-7,754.34-2,247.80

Finding the Fourth Proportional to 5,169.20, 7,754.34 and 2,247.80

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Solution

The fourth proportional to 5,169.20, 7,754.34 and 2,247.80 is: 3,371.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,169.20 : 7,754.34 = 2,247.80 : x
  2. Step 2: Convert to fraction form
    5,169.20/7,754.34 = 2,247.80/x
  3. Step 3: Cross multiply
    5,169.20x = 7,754.34 × 2,247.80
  4. Step 4: Simplify right side
    5,169.20x = 17,430,205.45
  5. Step 5: Solve for x
    x = 17,430,205.45/5,169.20
  6. Step 6: Final answer
    x = 3,371.93

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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.