Home / 3,194.20-4,763.09-2,805.79

Finding the Fourth Proportional to 3,194.20, 4,763.09 and 2,805.79

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Solution

The fourth proportional to 3,194.20, 4,763.09 and 2,805.79 is: 4,183.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,194.20 : 4,763.09 = 2,805.79 : x
  2. Step 2: Convert to fraction form
    3,194.20/4,763.09 = 2,805.79/x
  3. Step 3: Cross multiply
    3,194.20x = 4,763.09 × 2,805.79
  4. Step 4: Simplify right side
    3,194.20x = 13,364,230.29
  5. Step 5: Solve for x
    x = 13,364,230.29/3,194.20
  6. Step 6: Final answer
    x = 4,183.91

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.