Home / 2,553.57-3,843.81-2,177.73

Finding the Fourth Proportional to 2,553.57, 3,843.81 and 2,177.73

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Solution

The fourth proportional to 2,553.57, 3,843.81 and 2,177.73 is: 3,278.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,553.57 : 3,843.81 = 2,177.73 : x
  2. Step 2: Convert to fraction form
    2,553.57/3,843.81 = 2,177.73/x
  3. Step 3: Cross multiply
    2,553.57x = 3,843.81 × 2,177.73
  4. Step 4: Simplify right side
    2,553.57x = 8,370,780.35
  5. Step 5: Solve for x
    x = 8,370,780.35/2,553.57
  6. Step 6: Final answer
    x = 3,278.07

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.