Home / 4,769.12-7,150.79-2,136.14

Finding the Fourth Proportional to 4,769.12, 7,150.79 and 2,136.14

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Solution

The fourth proportional to 4,769.12, 7,150.79 and 2,136.14 is: 3,202.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,769.12 : 7,150.79 = 2,136.14 : x
  2. Step 2: Convert to fraction form
    4,769.12/7,150.79 = 2,136.14/x
  3. Step 3: Cross multiply
    4,769.12x = 7,150.79 × 2,136.14
  4. Step 4: Simplify right side
    4,769.12x = 15,275,042.12
  5. Step 5: Solve for x
    x = 15,275,042.12/4,769.12
  6. Step 6: Final answer
    x = 3,202.91

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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.