Home / 6,675.75-9,212.38-3,691.61

Finding the Fourth Proportional to 6,675.75, 9,212.38 and 3,691.61

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Solution

The fourth proportional to 6,675.75, 9,212.38 and 3,691.61 is: 5,094.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,675.75 : 9,212.38 = 3,691.61 : x
  2. Step 2: Convert to fraction form
    6,675.75/9,212.38 = 3,691.61/x
  3. Step 3: Cross multiply
    6,675.75x = 9,212.38 × 3,691.61
  4. Step 4: Simplify right side
    6,675.75x = 34,008,514.15
  5. Step 5: Solve for x
    x = 34,008,514.15/6,675.75
  6. Step 6: Final answer
    x = 5,094.34

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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.