Home / 6,656.20-9,185.86-3,672.06

Finding the Fourth Proportional to 6,656.20, 9,185.86 and 3,672.06

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Solution

The fourth proportional to 6,656.20, 9,185.86 and 3,672.06 is: 5,067.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,656.20 : 9,185.86 = 3,672.06 : x
  2. Step 2: Convert to fraction form
    6,656.20/9,185.86 = 3,672.06/x
  3. Step 3: Cross multiply
    6,656.20x = 9,185.86 × 3,672.06
  4. Step 4: Simplify right side
    6,656.20x = 33,731,029.07
  5. Step 5: Solve for x
    x = 33,731,029.07/6,656.20
  6. Step 6: Final answer
    x = 5,067.61

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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.