Home / 3,843.66-5,766.70-1,211.06

Finding the Fourth Proportional to 3,843.66, 5,766.70 and 1,211.06

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Solution

The fourth proportional to 3,843.66, 5,766.70 and 1,211.06 is: 1,816.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,843.66 : 5,766.70 = 1,211.06 : x
  2. Step 2: Convert to fraction form
    3,843.66/5,766.70 = 1,211.06/x
  3. Step 3: Cross multiply
    3,843.66x = 5,766.70 × 1,211.06
  4. Step 4: Simplify right side
    3,843.66x = 6,983,819.70
  5. Step 5: Solve for x
    x = 6,983,819.70/3,843.66
  6. Step 6: Final answer
    x = 1,816.97

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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.