Home / 5,766-8,655.16-2,480.72

Finding the Fourth Proportional to 5,766, 8,655.16 and 2,480.72

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Solution

The fourth proportional to 5,766, 8,655.16 and 2,480.72 is: 3,723.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,766 : 8,655.16 = 2,480.72 : x
  2. Step 2: Convert to fraction form
    5,766/8,655.16 = 2,480.72/x
  3. Step 3: Cross multiply
    5,766x = 8,655.16 × 2,480.72
  4. Step 4: Simplify right side
    5,766x = 21,471,028.52
  5. Step 5: Solve for x
    x = 21,471,028.52/5,766
  6. Step 6: Final answer
    x = 3,723.73

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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.