Home / 5,082.40-7,625.14-2,122.27

Finding the Fourth Proportional to 5,082.40, 7,625.14 and 2,122.27

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Solution

The fourth proportional to 5,082.40, 7,625.14 and 2,122.27 is: 3,184.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,082.40 : 7,625.14 = 2,122.27 : x
  2. Step 2: Convert to fraction form
    5,082.40/7,625.14 = 2,122.27/x
  3. Step 3: Cross multiply
    5,082.40x = 7,625.14 × 2,122.27
  4. Step 4: Simplify right side
    5,082.40x = 16,182,605.87
  5. Step 5: Solve for x
    x = 16,182,605.87/5,082.40
  6. Step 6: Final answer
    x = 3,184.05

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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.