Home / 2,515.43-3,766.95-2,073.98

Finding the Fourth Proportional to 2,515.43, 3,766.95 and 2,073.98

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Solution

The fourth proportional to 2,515.43, 3,766.95 and 2,073.98 is: 3,105.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,515.43 : 3,766.95 = 2,073.98 : x
  2. Step 2: Convert to fraction form
    2,515.43/3,766.95 = 2,073.98/x
  3. Step 3: Cross multiply
    2,515.43x = 3,766.95 × 2,073.98
  4. Step 4: Simplify right side
    2,515.43x = 7,812,560.13
  5. Step 5: Solve for x
    x = 7,812,560.13/2,515.43
  6. Step 6: Final answer
    x = 3,105.86

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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.