Home / 3,458.03-5,174.69-2,769.12

Finding the Fourth Proportional to 3,458.03, 5,174.69 and 2,769.12

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Solution

The fourth proportional to 3,458.03, 5,174.69 and 2,769.12 is: 4,143.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,458.03 : 5,174.69 = 2,769.12 : x
  2. Step 2: Convert to fraction form
    3,458.03/5,174.69 = 2,769.12/x
  3. Step 3: Cross multiply
    3,458.03x = 5,174.69 × 2,769.12
  4. Step 4: Simplify right side
    3,458.03x = 14,329,323.73
  5. Step 5: Solve for x
    x = 14,329,323.73/3,458.03
  6. Step 6: Final answer
    x = 4,143.79

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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.