Home / 7,982.58-11,972.95-3,052.11

Finding the Fourth Proportional to 7,982.58, 11,972.95 and 3,052.11

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Solution

The fourth proportional to 7,982.58, 11,972.95 and 3,052.11 is: 4,577.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,982.58 : 11,972.95 = 3,052.11 : x
  2. Step 2: Convert to fraction form
    7,982.58/11,972.95 = 3,052.11/x
  3. Step 3: Cross multiply
    7,982.58x = 11,972.95 × 3,052.11
  4. Step 4: Simplify right side
    7,982.58x = 36,542,760.42
  5. Step 5: Solve for x
    x = 36,542,760.42/7,982.58
  6. Step 6: Final answer
    x = 4,577.81

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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.