Home / 6,375.88-8,799.08-3,581.56

Finding the Fourth Proportional to 6,375.88, 8,799.08 and 3,581.56

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Solution

The fourth proportional to 6,375.88, 8,799.08 and 3,581.56 is: 4,942.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,375.88 : 8,799.08 = 3,581.56 : x
  2. Step 2: Convert to fraction form
    6,375.88/8,799.08 = 3,581.56/x
  3. Step 3: Cross multiply
    6,375.88x = 8,799.08 × 3,581.56
  4. Step 4: Simplify right side
    6,375.88x = 31,514,432.96
  5. Step 5: Solve for x
    x = 31,514,432.96/6,375.88
  6. Step 6: Final answer
    x = 4,942.76

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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.