Home / 2,092.12-3,140.91-1,769.54

Finding the Fourth Proportional to 2,092.12, 3,140.91 and 1,769.54

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Solution

The fourth proportional to 2,092.12, 3,140.91 and 1,769.54 is: 2,656.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,092.12 : 3,140.91 = 1,769.54 : x
  2. Step 2: Convert to fraction form
    2,092.12/3,140.91 = 1,769.54/x
  3. Step 3: Cross multiply
    2,092.12x = 3,140.91 × 1,769.54
  4. Step 4: Simplify right side
    2,092.12x = 5,557,950.18
  5. Step 5: Solve for x
    x = 5,557,950.18/2,092.12
  6. Step 6: Final answer
    x = 2,656.61

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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.