Home / 3,177.07-4,381.29-2,232.56

Finding the Fourth Proportional to 3,177.07, 4,381.29 and 2,232.56

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Solution

The fourth proportional to 3,177.07, 4,381.29 and 2,232.56 is: 3,078.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,177.07 : 4,381.29 = 2,232.56 : x
  2. Step 2: Convert to fraction form
    3,177.07/4,381.29 = 2,232.56/x
  3. Step 3: Cross multiply
    3,177.07x = 4,381.29 × 2,232.56
  4. Step 4: Simplify right side
    3,177.07x = 9,781,503.76
  5. Step 5: Solve for x
    x = 9,781,503.76/3,177.07
  6. Step 6: Final answer
    x = 3,078.78

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.