Home / 5,900.90-8,142.92-3,247.78

Finding the Fourth Proportional to 5,900.90, 8,142.92 and 3,247.78

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Solution

The fourth proportional to 5,900.90, 8,142.92 and 3,247.78 is: 4,481.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,900.90 : 8,142.92 = 3,247.78 : x
  2. Step 2: Convert to fraction form
    5,900.90/8,142.92 = 3,247.78/x
  3. Step 3: Cross multiply
    5,900.90x = 8,142.92 × 3,247.78
  4. Step 4: Simplify right side
    5,900.90x = 26,446,412.72
  5. Step 5: Solve for x
    x = 26,446,412.72/5,900.90
  6. Step 6: Final answer
    x = 4,481.76

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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.