Home / 6,609.62-9,121.55-3,625.56

Finding the Fourth Proportional to 6,609.62, 9,121.55 and 3,625.56

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Solution

The fourth proportional to 6,609.62, 9,121.55 and 3,625.56 is: 5,003.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,609.62 : 9,121.55 = 3,625.56 : x
  2. Step 2: Convert to fraction form
    6,609.62/9,121.55 = 3,625.56/x
  3. Step 3: Cross multiply
    6,609.62x = 9,121.55 × 3,625.56
  4. Step 4: Simplify right side
    6,609.62x = 33,070,708.69
  5. Step 5: Solve for x
    x = 33,070,708.69/6,609.62
  6. Step 6: Final answer
    x = 5,003.42

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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.