Home / 3,964.31-5,946.45-2,331.25

Finding the Fourth Proportional to 3,964.31, 5,946.45 and 2,331.25

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Solution

The fourth proportional to 3,964.31, 5,946.45 and 2,331.25 is: 3,496.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,964.31 : 5,946.45 = 2,331.25 : x
  2. Step 2: Convert to fraction form
    3,964.31/5,946.45 = 2,331.25/x
  3. Step 3: Cross multiply
    3,964.31x = 5,946.45 × 2,331.25
  4. Step 4: Simplify right side
    3,964.31x = 13,862,637.95
  5. Step 5: Solve for x
    x = 13,862,637.95/3,964.31
  6. Step 6: Final answer
    x = 3,496.86

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.