Home / 5,083.92-7,619.09-2,158.56

Finding the Fourth Proportional to 5,083.92, 7,619.09 and 2,158.56

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Solution

The fourth proportional to 5,083.92, 7,619.09 and 2,158.56 is: 3,234.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,083.92 : 7,619.09 = 2,158.56 : x
  2. Step 2: Convert to fraction form
    5,083.92/7,619.09 = 2,158.56/x
  3. Step 3: Cross multiply
    5,083.92x = 7,619.09 × 2,158.56
  4. Step 4: Simplify right side
    5,083.92x = 16,446,252.12
  5. Step 5: Solve for x
    x = 16,446,252.12/5,083.92
  6. Step 6: Final answer
    x = 3,234.95

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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.