Home / 7,735.20-10,674.54-4,198.38

Finding the Fourth Proportional to 7,735.20, 10,674.54 and 4,198.38

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Solution

The fourth proportional to 7,735.20, 10,674.54 and 4,198.38 is: 5,793.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,735.20 : 10,674.54 = 4,198.38 : x
  2. Step 2: Convert to fraction form
    7,735.20/10,674.54 = 4,198.38/x
  3. Step 3: Cross multiply
    7,735.20x = 10,674.54 × 4,198.38
  4. Step 4: Simplify right side
    7,735.20x = 44,815,775.25
  5. Step 5: Solve for x
    x = 44,815,775.25/7,735.20
  6. Step 6: Final answer
    x = 5,793.74

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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.