Home / 3,227.67-4,454.15-1,811.48

Finding the Fourth Proportional to 3,227.67, 4,454.15 and 1,811.48

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Solution

The fourth proportional to 3,227.67, 4,454.15 and 1,811.48 is: 2,499.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,227.67 : 4,454.15 = 1,811.48 : x
  2. Step 2: Convert to fraction form
    3,227.67/4,454.15 = 1,811.48/x
  3. Step 3: Cross multiply
    3,227.67x = 4,454.15 × 1,811.48
  4. Step 4: Simplify right side
    3,227.67x = 8,068,572.31
  5. Step 5: Solve for x
    x = 8,068,572.31/3,227.67
  6. Step 6: Final answer
    x = 2,499.81

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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.