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Finding the Fourth Proportional to 3,946.83, 5,920.01 and 1,481.44

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Solution

The fourth proportional to 3,946.83, 5,920.01 and 1,481.44 is: 2,222.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,946.83 : 5,920.01 = 1,481.44 : x
  2. Step 2: Convert to fraction form
    3,946.83/5,920.01 = 1,481.44/x
  3. Step 3: Cross multiply
    3,946.83x = 5,920.01 × 1,481.44
  4. Step 4: Simplify right side
    3,946.83x = 8,770,117.41
  5. Step 5: Solve for x
    x = 8,770,117.41/3,946.83
  6. Step 6: Final answer
    x = 2,222.07

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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.