Home / 3,961.09-5,466.22-2,192.66

Finding the Fourth Proportional to 3,961.09, 5,466.22 and 2,192.66

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Solution

The fourth proportional to 3,961.09, 5,466.22 and 2,192.66 is: 3,025.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,961.09 : 5,466.22 = 2,192.66 : x
  2. Step 2: Convert to fraction form
    3,961.09/5,466.22 = 2,192.66/x
  3. Step 3: Cross multiply
    3,961.09x = 5,466.22 × 2,192.66
  4. Step 4: Simplify right side
    3,961.09x = 11,985,561.95
  5. Step 5: Solve for x
    x = 11,985,561.95/3,961.09
  6. Step 6: Final answer
    x = 3,025.82

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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.