Home / 3,091.88-4,626.18-2,169.24

Finding the Fourth Proportional to 3,091.88, 4,626.18 and 2,169.24

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Solution

The fourth proportional to 3,091.88, 4,626.18 and 2,169.24 is: 3,245.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,091.88 : 4,626.18 = 2,169.24 : x
  2. Step 2: Convert to fraction form
    3,091.88/4,626.18 = 2,169.24/x
  3. Step 3: Cross multiply
    3,091.88x = 4,626.18 × 2,169.24
  4. Step 4: Simplify right side
    3,091.88x = 10,035,294.70
  5. Step 5: Solve for x
    x = 10,035,294.70/3,091.88
  6. Step 6: Final answer
    x = 3,245.70

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.