Home / 3,961.41-5,466.74-2,192.91

Finding the Fourth Proportional to 3,961.41, 5,466.74 and 2,192.91

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Solution

The fourth proportional to 3,961.41, 5,466.74 and 2,192.91 is: 3,026.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,961.41 : 5,466.74 = 2,192.91 : x
  2. Step 2: Convert to fraction form
    3,961.41/5,466.74 = 2,192.91/x
  3. Step 3: Cross multiply
    3,961.41x = 5,466.74 × 2,192.91
  4. Step 4: Simplify right side
    3,961.41x = 11,988,057.85
  5. Step 5: Solve for x
    x = 11,988,057.85/3,961.41
  6. Step 6: Final answer
    x = 3,026.21

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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.