Home / 3,961.20-5,466.49-2,192.84

Finding the Fourth Proportional to 3,961.20, 5,466.49 and 2,192.84

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Solution

The fourth proportional to 3,961.20, 5,466.49 and 2,192.84 is: 3,026.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,961.20 : 5,466.49 = 2,192.84 : x
  2. Step 2: Convert to fraction form
    3,961.20/5,466.49 = 2,192.84/x
  3. Step 3: Cross multiply
    3,961.20x = 5,466.49 × 2,192.84
  4. Step 4: Simplify right side
    3,961.20x = 11,987,125.62
  5. Step 5: Solve for x
    x = 11,987,125.62/3,961.20
  6. Step 6: Final answer
    x = 3,026.13

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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.