Home / 7,971.93-11,958.38-2,425.69

Finding the Fourth Proportional to 7,971.93, 11,958.38 and 2,425.69

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Solution

The fourth proportional to 7,971.93, 11,958.38 and 2,425.69 is: 3,638.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,971.93 : 11,958.38 = 2,425.69 : x
  2. Step 2: Convert to fraction form
    7,971.93/11,958.38 = 2,425.69/x
  3. Step 3: Cross multiply
    7,971.93x = 11,958.38 × 2,425.69
  4. Step 4: Simplify right side
    7,971.93x = 29,007,281.08
  5. Step 5: Solve for x
    x = 29,007,281.08/7,971.93
  6. Step 6: Final answer
    x = 3,638.68

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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.