Home / 3,049.26-4,205.76-2,947.62

Finding the Fourth Proportional to 3,049.26, 4,205.76 and 2,947.62

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Solution

The fourth proportional to 3,049.26, 4,205.76 and 2,947.62 is: 4,065.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,049.26 : 4,205.76 = 2,947.62 : x
  2. Step 2: Convert to fraction form
    3,049.26/4,205.76 = 2,947.62/x
  3. Step 3: Cross multiply
    3,049.26x = 4,205.76 × 2,947.62
  4. Step 4: Simplify right side
    3,049.26x = 12,396,982.29
  5. Step 5: Solve for x
    x = 12,396,982.29/3,049.26
  6. Step 6: Final answer
    x = 4,065.57

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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.