Home / 6,655.60-9,185.12-3,672.10

Finding the Fourth Proportional to 6,655.60, 9,185.12 and 3,672.10

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Solution

The fourth proportional to 6,655.60, 9,185.12 and 3,672.10 is: 5,067.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,655.60 : 9,185.12 = 3,672.10 : x
  2. Step 2: Convert to fraction form
    6,655.60/9,185.12 = 3,672.10/x
  3. Step 3: Cross multiply
    6,655.60x = 9,185.12 × 3,672.10
  4. Step 4: Simplify right side
    6,655.60x = 33,728,679.15
  5. Step 5: Solve for x
    x = 33,728,679.15/6,655.60
  6. Step 6: Final answer
    x = 5,067.71

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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.