Home / 3,961.45-5,466.71-2,192.95

Finding the Fourth Proportional to 3,961.45, 5,466.71 and 2,192.95

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Solution

The fourth proportional to 3,961.45, 5,466.71 and 2,192.95 is: 3,026.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,961.45 : 5,466.71 = 2,192.95 : x
  2. Step 2: Convert to fraction form
    3,961.45/5,466.71 = 2,192.95/x
  3. Step 3: Cross multiply
    3,961.45x = 5,466.71 × 2,192.95
  4. Step 4: Simplify right side
    3,961.45x = 11,988,194.36
  5. Step 5: Solve for x
    x = 11,988,194.36/3,961.45
  6. Step 6: Final answer
    x = 3,026.22

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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.