Home / 7,982.28-11,975.04-3,052.08

Finding the Fourth Proportional to 7,982.28, 11,975.04 and 3,052.08

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Solution

The fourth proportional to 7,982.28, 11,975.04 and 3,052.08 is: 4,578.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,982.28 : 11,975.04 = 3,052.08 : x
  2. Step 2: Convert to fraction form
    7,982.28/11,975.04 = 3,052.08/x
  3. Step 3: Cross multiply
    7,982.28x = 11,975.04 × 3,052.08
  4. Step 4: Simplify right side
    7,982.28x = 36,548,780.08
  5. Step 5: Solve for x
    x = 36,548,780.08/7,982.28
  6. Step 6: Final answer
    x = 4,578.74

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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.