Home / 7,027.92-10,542.66-3,131.82

Finding the Fourth Proportional to 7,027.92, 10,542.66 and 3,131.82

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Solution

The fourth proportional to 7,027.92, 10,542.66 and 3,131.82 is: 4,698.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,027.92 : 10,542.66 = 3,131.82 : x
  2. Step 2: Convert to fraction form
    7,027.92/10,542.66 = 3,131.82/x
  3. Step 3: Cross multiply
    7,027.92x = 10,542.66 × 3,131.82
  4. Step 4: Simplify right side
    7,027.92x = 33,017,713.44
  5. Step 5: Solve for x
    x = 33,017,713.44/7,027.92
  6. Step 6: Final answer
    x = 4,698.08

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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.