Home / 6,720.82-9,272.24-4,067.26

Finding the Fourth Proportional to 6,720.82, 9,272.24 and 4,067.26

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Solution

The fourth proportional to 6,720.82, 9,272.24 and 4,067.26 is: 5,611.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,720.82 : 9,272.24 = 4,067.26 : x
  2. Step 2: Convert to fraction form
    6,720.82/9,272.24 = 4,067.26/x
  3. Step 3: Cross multiply
    6,720.82x = 9,272.24 × 4,067.26
  4. Step 4: Simplify right side
    6,720.82x = 37,712,597.85
  5. Step 5: Solve for x
    x = 37,712,597.85/6,720.82
  6. Step 6: Final answer
    x = 5,611.31

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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.