Home / 3,932.73-5,427.18-2,164.44

Finding the Fourth Proportional to 3,932.73, 5,427.18 and 2,164.44

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Solution

The fourth proportional to 3,932.73, 5,427.18 and 2,164.44 is: 2,986.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,932.73 : 5,427.18 = 2,164.44 : x
  2. Step 2: Convert to fraction form
    3,932.73/5,427.18 = 2,164.44/x
  3. Step 3: Cross multiply
    3,932.73x = 5,427.18 × 2,164.44
  4. Step 4: Simplify right side
    3,932.73x = 11,746,805.48
  5. Step 5: Solve for x
    x = 11,746,805.48/3,932.73
  6. Step 6: Final answer
    x = 2,986.93

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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.