Home / 3,691.12-5,525.88-3,195.94

Finding the Fourth Proportional to 3,691.12, 5,525.88 and 3,195.94

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Solution

The fourth proportional to 3,691.12, 5,525.88 and 3,195.94 is: 4,784.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,691.12 : 5,525.88 = 3,195.94 : x
  2. Step 2: Convert to fraction form
    3,691.12/5,525.88 = 3,195.94/x
  3. Step 3: Cross multiply
    3,691.12x = 5,525.88 × 3,195.94
  4. Step 4: Simplify right side
    3,691.12x = 17,660,380.93
  5. Step 5: Solve for x
    x = 17,660,380.93/3,691.12
  6. Step 6: Final answer
    x = 4,784.56

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1.5x scale

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.