Home / 5,416.26-8,123.17-1,519.75

Finding the Fourth Proportional to 5,416.26, 8,123.17 and 1,519.75

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Solution

The fourth proportional to 5,416.26, 8,123.17 and 1,519.75 is: 2,279.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,416.26 : 8,123.17 = 1,519.75 : x
  2. Step 2: Convert to fraction form
    5,416.26/8,123.17 = 1,519.75/x
  3. Step 3: Cross multiply
    5,416.26x = 8,123.17 × 1,519.75
  4. Step 4: Simplify right side
    5,416.26x = 12,345,187.61
  5. Step 5: Solve for x
    x = 12,345,187.61/5,416.26
  6. Step 6: Final answer
    x = 2,279.28

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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.