Home / 5,082.22-7,621.17-3,133.90

Finding the Fourth Proportional to 5,082.22, 7,621.17 and 3,133.90

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Solution

The fourth proportional to 5,082.22, 7,621.17 and 3,133.90 is: 4,699.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,082.22 : 7,621.17 = 3,133.90 : x
  2. Step 2: Convert to fraction form
    5,082.22/7,621.17 = 3,133.90/x
  3. Step 3: Cross multiply
    5,082.22x = 7,621.17 × 3,133.90
  4. Step 4: Simplify right side
    5,082.22x = 23,883,984.66
  5. Step 5: Solve for x
    x = 23,883,984.66/5,082.22
  6. Step 6: Final answer
    x = 4,699.52

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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.