Home / 7,181.20-10,767.39-2,793.55

Finding the Fourth Proportional to 7,181.20, 10,767.39 and 2,793.55

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Solution

The fourth proportional to 7,181.20, 10,767.39 and 2,793.55 is: 4,188.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,181.20 : 10,767.39 = 2,793.55 : x
  2. Step 2: Convert to fraction form
    7,181.20/10,767.39 = 2,793.55/x
  3. Step 3: Cross multiply
    7,181.20x = 10,767.39 × 2,793.55
  4. Step 4: Simplify right side
    7,181.20x = 30,079,242.33
  5. Step 5: Solve for x
    x = 30,079,242.33/7,181.20
  6. Step 6: Final answer
    x = 4,188.61

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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.