Home / 6,121.26-8,446.71-3,468.90

Finding the Fourth Proportional to 6,121.26, 8,446.71 and 3,468.90

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Solution

The fourth proportional to 6,121.26, 8,446.71 and 3,468.90 is: 4,786.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,121.26 : 8,446.71 = 3,468.90 : x
  2. Step 2: Convert to fraction form
    6,121.26/8,446.71 = 3,468.90/x
  3. Step 3: Cross multiply
    6,121.26x = 8,446.71 × 3,468.90
  4. Step 4: Simplify right side
    6,121.26x = 29,300,792.32
  5. Step 5: Solve for x
    x = 29,300,792.32/6,121.26
  6. Step 6: Final answer
    x = 4,786.73

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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.