Home / 3,930.33-5,424.36-2,252.01

Finding the Fourth Proportional to 3,930.33, 5,424.36 and 2,252.01

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Solution

The fourth proportional to 3,930.33, 5,424.36 and 2,252.01 is: 3,108.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,930.33 : 5,424.36 = 2,252.01 : x
  2. Step 2: Convert to fraction form
    3,930.33/5,424.36 = 2,252.01/x
  3. Step 3: Cross multiply
    3,930.33x = 5,424.36 × 2,252.01
  4. Step 4: Simplify right side
    3,930.33x = 12,215,712.96
  5. Step 5: Solve for x
    x = 12,215,712.96/3,930.33
  6. Step 6: Final answer
    x = 3,108.06

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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.