Home / 3,951.12-5,452.55-2,182.73

Finding the Fourth Proportional to 3,951.12, 5,452.55 and 2,182.73

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Solution

The fourth proportional to 3,951.12, 5,452.55 and 2,182.73 is: 3,012.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,951.12 : 5,452.55 = 2,182.73 : x
  2. Step 2: Convert to fraction form
    3,951.12/5,452.55 = 2,182.73/x
  3. Step 3: Cross multiply
    3,951.12x = 5,452.55 × 2,182.73
  4. Step 4: Simplify right side
    3,951.12x = 11,901,435.94
  5. Step 5: Solve for x
    x = 11,901,435.94/3,951.12
  6. Step 6: Final answer
    x = 3,012.17

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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.