Home / 3,080.26-4,251.72-2,194.66

Finding the Fourth Proportional to 3,080.26, 4,251.72 and 2,194.66

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Solution

The fourth proportional to 3,080.26, 4,251.72 and 2,194.66 is: 3,029.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,080.26 : 4,251.72 = 2,194.66 : x
  2. Step 2: Convert to fraction form
    3,080.26/4,251.72 = 2,194.66/x
  3. Step 3: Cross multiply
    3,080.26x = 4,251.72 × 2,194.66
  4. Step 4: Simplify right side
    3,080.26x = 9,331,079.82
  5. Step 5: Solve for x
    x = 9,331,079.82/3,080.26
  6. Step 6: Final answer
    x = 3,029.32

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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.