Home / 5,520.49-8,280.52-1,822.61

Finding the Fourth Proportional to 5,520.49, 8,280.52 and 1,822.61

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Solution

The fourth proportional to 5,520.49, 8,280.52 and 1,822.61 is: 2,733.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,520.49 : 8,280.52 = 1,822.61 : x
  2. Step 2: Convert to fraction form
    5,520.49/8,280.52 = 1,822.61/x
  3. Step 3: Cross multiply
    5,520.49x = 8,280.52 × 1,822.61
  4. Step 4: Simplify right side
    5,520.49x = 15,092,174.70
  5. Step 5: Solve for x
    x = 15,092,174.70/5,520.49
  6. Step 6: Final answer
    x = 2,733.85

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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.