Home / 5,422.73-8,135.55-2,302.87

Finding the Fourth Proportional to 5,422.73, 8,135.55 and 2,302.87

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Solution

The fourth proportional to 5,422.73, 8,135.55 and 2,302.87 is: 3,454.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,422.73 : 8,135.55 = 2,302.87 : x
  2. Step 2: Convert to fraction form
    5,422.73/8,135.55 = 2,302.87/x
  3. Step 3: Cross multiply
    5,422.73x = 8,135.55 × 2,302.87
  4. Step 4: Simplify right side
    5,422.73x = 18,735,114.03
  5. Step 5: Solve for x
    x = 18,735,114.03/5,422.73
  6. Step 6: Final answer
    x = 3,454.92

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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.