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Finding the Fourth Proportional to 2,793.96, 4,166.57 and 2,479.28

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Solution

The fourth proportional to 2,793.96, 4,166.57 and 2,479.28 is: 3,697.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,793.96 : 4,166.57 = 2,479.28 : x
  2. Step 2: Convert to fraction form
    2,793.96/4,166.57 = 2,479.28/x
  3. Step 3: Cross multiply
    2,793.96x = 4,166.57 × 2,479.28
  4. Step 4: Simplify right side
    2,793.96x = 10,330,079.03
  5. Step 5: Solve for x
    x = 10,330,079.03/2,793.96
  6. Step 6: Final answer
    x = 3,697.29

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.