Home / 3,253.07-4,481.66-2,660.15

Finding the Fourth Proportional to 3,253.07, 4,481.66 and 2,660.15

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Solution

The fourth proportional to 3,253.07, 4,481.66 and 2,660.15 is: 3,664.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,253.07 : 4,481.66 = 2,660.15 : x
  2. Step 2: Convert to fraction form
    3,253.07/4,481.66 = 2,660.15/x
  3. Step 3: Cross multiply
    3,253.07x = 4,481.66 × 2,660.15
  4. Step 4: Simplify right side
    3,253.07x = 11,921,874.55
  5. Step 5: Solve for x
    x = 11,921,874.55/3,253.07
  6. Step 6: Final answer
    x = 3,664.81

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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.