Home / 3,982.31-5,971.64-2,339.63

Finding the Fourth Proportional to 3,982.31, 5,971.64 and 2,339.63

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Solution

The fourth proportional to 3,982.31, 5,971.64 and 2,339.63 is: 3,508.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,982.31 : 5,971.64 = 2,339.63 : x
  2. Step 2: Convert to fraction form
    3,982.31/5,971.64 = 2,339.63/x
  3. Step 3: Cross multiply
    3,982.31x = 5,971.64 × 2,339.63
  4. Step 4: Simplify right side
    3,982.31x = 13,971,386.54
  5. Step 5: Solve for x
    x = 13,971,386.54/3,982.31
  6. Step 6: Final answer
    x = 3,508.37

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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.