Home / 5,132.82-7,081.80-3,456.12

Finding the Fourth Proportional to 5,132.82, 7,081.80 and 3,456.12

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Solution

The fourth proportional to 5,132.82, 7,081.80 and 3,456.12 is: 4,768.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,132.82 : 7,081.80 = 3,456.12 : x
  2. Step 2: Convert to fraction form
    5,132.82/7,081.80 = 3,456.12/x
  3. Step 3: Cross multiply
    5,132.82x = 7,081.80 × 3,456.12
  4. Step 4: Simplify right side
    5,132.82x = 24,475,550.62
  5. Step 5: Solve for x
    x = 24,475,550.62/5,132.82
  6. Step 6: Final answer
    x = 4,768.44

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.