Home / 3,045.66-4,198.94-2,734.28

Finding the Fourth Proportional to 3,045.66, 4,198.94 and 2,734.28

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Solution

The fourth proportional to 3,045.66, 4,198.94 and 2,734.28 is: 3,769.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,045.66 : 4,198.94 = 2,734.28 : x
  2. Step 2: Convert to fraction form
    3,045.66/4,198.94 = 2,734.28/x
  3. Step 3: Cross multiply
    3,045.66x = 4,198.94 × 2,734.28
  4. Step 4: Simplify right side
    3,045.66x = 11,481,043.00
  5. Step 5: Solve for x
    x = 11,481,043.00/3,045.66
  6. Step 6: Final answer
    x = 3,769.64

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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.