Home / 7,971.83-11,958.42-2,425.22

Finding the Fourth Proportional to 7,971.83, 11,958.42 and 2,425.22

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Solution

The fourth proportional to 7,971.83, 11,958.42 and 2,425.22 is: 3,638.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,971.83 : 11,958.42 = 2,425.22 : x
  2. Step 2: Convert to fraction form
    7,971.83/11,958.42 = 2,425.22/x
  3. Step 3: Cross multiply
    7,971.83x = 11,958.42 × 2,425.22
  4. Step 4: Simplify right side
    7,971.83x = 29,001,799.35
  5. Step 5: Solve for x
    x = 29,001,799.35/7,971.83
  6. Step 6: Final answer
    x = 3,638.04

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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.