Home / 3,961.12-5,466.54-2,282.79

Finding the Fourth Proportional to 3,961.12, 5,466.54 and 2,282.79

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Solution

The fourth proportional to 3,961.12, 5,466.54 and 2,282.79 is: 3,150.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,961.12 : 5,466.54 = 2,282.79 : x
  2. Step 2: Convert to fraction form
    3,961.12/5,466.54 = 2,282.79/x
  3. Step 3: Cross multiply
    3,961.12x = 5,466.54 × 2,282.79
  4. Step 4: Simplify right side
    3,961.12x = 12,478,962.85
  5. Step 5: Solve for x
    x = 12,478,962.85/3,961.12
  6. Step 6: Final answer
    x = 3,150.36

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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.