Home / 3,201.06-4,418.68-2,153.73

Finding the Fourth Proportional to 3,201.06, 4,418.68 and 2,153.73

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Solution

The fourth proportional to 3,201.06, 4,418.68 and 2,153.73 is: 2,972.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,201.06 : 4,418.68 = 2,153.73 : x
  2. Step 2: Convert to fraction form
    3,201.06/4,418.68 = 2,153.73/x
  3. Step 3: Cross multiply
    3,201.06x = 4,418.68 × 2,153.73
  4. Step 4: Simplify right side
    3,201.06x = 9,516,660.11
  5. Step 5: Solve for x
    x = 9,516,660.11/3,201.06
  6. Step 6: Final answer
    x = 2,972.97

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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.