Home / 3,959.36-5,464.82-2,281.73

Finding the Fourth Proportional to 3,959.36, 5,464.82 and 2,281.73

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Solution

The fourth proportional to 3,959.36, 5,464.82 and 2,281.73 is: 3,149.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,959.36 : 5,464.82 = 2,281.73 : x
  2. Step 2: Convert to fraction form
    3,959.36/5,464.82 = 2,281.73/x
  3. Step 3: Cross multiply
    3,959.36x = 5,464.82 × 2,281.73
  4. Step 4: Simplify right side
    3,959.36x = 12,469,205.01
  5. Step 5: Solve for x
    x = 12,469,205.01/3,959.36
  6. Step 6: Final answer
    x = 3,149.30

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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.