Home / 2,553.83-3,838.39-2,117.95

Finding the Fourth Proportional to 2,553.83, 3,838.39 and 2,117.95

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Solution

The fourth proportional to 2,553.83, 3,838.39 and 2,117.95 is: 3,183.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,553.83 : 3,838.39 = 2,117.95 : x
  2. Step 2: Convert to fraction form
    2,553.83/3,838.39 = 2,117.95/x
  3. Step 3: Cross multiply
    2,553.83x = 3,838.39 × 2,117.95
  4. Step 4: Simplify right side
    2,553.83x = 8,129,503.21
  5. Step 5: Solve for x
    x = 8,129,503.21/2,553.83
  6. Step 6: Final answer
    x = 3,183.26

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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.