Home / 4,711.80-7,067.70-2,962.20

Finding the Fourth Proportional to 4,711.80, 7,067.70 and 2,962.20

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Solution

The fourth proportional to 4,711.80, 7,067.70 and 2,962.20 is: 4,443.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,711.80 : 7,067.70 = 2,962.20 : x
  2. Step 2: Convert to fraction form
    4,711.80/7,067.70 = 2,962.20/x
  3. Step 3: Cross multiply
    4,711.80x = 7,067.70 × 2,962.20
  4. Step 4: Simplify right side
    4,711.80x = 20,935,940.94
  5. Step 5: Solve for x
    x = 20,935,940.94/4,711.80
  6. Step 6: Final answer
    x = 4,443.30

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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.