Home / 3,451.62-5,178.66-1,696.44

Finding the Fourth Proportional to 3,451.62, 5,178.66 and 1,696.44

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Solution

The fourth proportional to 3,451.62, 5,178.66 and 1,696.44 is: 2,545.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,451.62 : 5,178.66 = 1,696.44 : x
  2. Step 2: Convert to fraction form
    3,451.62/5,178.66 = 1,696.44/x
  3. Step 3: Cross multiply
    3,451.62x = 5,178.66 × 1,696.44
  4. Step 4: Simplify right side
    3,451.62x = 8,785,285.97
  5. Step 5: Solve for x
    x = 8,785,285.97/3,451.62
  6. Step 6: Final answer
    x = 2,545.26

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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.