Home / 2,769.35-4,151.55-1,013.13

Finding the Fourth Proportional to 2,769.35, 4,151.55 and 1,013.13

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Solution

The fourth proportional to 2,769.35, 4,151.55 and 1,013.13 is: 1,518.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,769.35 : 4,151.55 = 1,013.13 : x
  2. Step 2: Convert to fraction form
    2,769.35/4,151.55 = 1,013.13/x
  3. Step 3: Cross multiply
    2,769.35x = 4,151.55 × 1,013.13
  4. Step 4: Simplify right side
    2,769.35x = 4,206,063.65
  5. Step 5: Solve for x
    x = 4,206,063.65/2,769.35
  6. Step 6: Final answer
    x = 1,518.79

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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.