Home / 5,092.17-7,639.93-3,215.90

Finding the Fourth Proportional to 5,092.17, 7,639.93 and 3,215.90

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Solution

The fourth proportional to 5,092.17, 7,639.93 and 3,215.90 is: 4,824.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,092.17 : 7,639.93 = 3,215.90 : x
  2. Step 2: Convert to fraction form
    5,092.17/7,639.93 = 3,215.90/x
  3. Step 3: Cross multiply
    5,092.17x = 7,639.93 × 3,215.90
  4. Step 4: Simplify right side
    5,092.17x = 24,569,212.69
  5. Step 5: Solve for x
    x = 24,569,212.69/5,092.17
  6. Step 6: Final answer
    x = 4,824.90

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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.