Home / 5,436.92-8,156.40-2,515.22

Finding the Fourth Proportional to 5,436.92, 8,156.40 and 2,515.22

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Solution

The fourth proportional to 5,436.92, 8,156.40 and 2,515.22 is: 3,773.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,436.92 : 8,156.40 = 2,515.22 : x
  2. Step 2: Convert to fraction form
    5,436.92/8,156.40 = 2,515.22/x
  3. Step 3: Cross multiply
    5,436.92x = 8,156.40 × 2,515.22
  4. Step 4: Simplify right side
    5,436.92x = 20,515,120.78
  5. Step 5: Solve for x
    x = 20,515,120.78/5,436.92
  6. Step 6: Final answer
    x = 3,773.30

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.