Home / 5,013.64-7,520.46-2,761.48

Finding the Fourth Proportional to 5,013.64, 7,520.46 and 2,761.48

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Solution

The fourth proportional to 5,013.64, 7,520.46 and 2,761.48 is: 4,142.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,013.64 : 7,520.46 = 2,761.48 : x
  2. Step 2: Convert to fraction form
    5,013.64/7,520.46 = 2,761.48/x
  3. Step 3: Cross multiply
    5,013.64x = 7,520.46 × 2,761.48
  4. Step 4: Simplify right side
    5,013.64x = 20,767,599.88
  5. Step 5: Solve for x
    x = 20,767,599.88/5,013.64
  6. Step 6: Final answer
    x = 4,142.22

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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.