Home / 7,178.25-9,906.90-4,034.44

Finding the Fourth Proportional to 7,178.25, 9,906.90 and 4,034.44

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Solution

The fourth proportional to 7,178.25, 9,906.90 and 4,034.44 is: 5,568.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,178.25 : 9,906.90 = 4,034.44 : x
  2. Step 2: Convert to fraction form
    7,178.25/9,906.90 = 4,034.44/x
  3. Step 3: Cross multiply
    7,178.25x = 9,906.90 × 4,034.44
  4. Step 4: Simplify right side
    7,178.25x = 39,968,793.64
  5. Step 5: Solve for x
    x = 39,968,793.64/7,178.25
  6. Step 6: Final answer
    x = 5,568.04

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.