Home / 5,940.96-8,197.68-4,078.56

Finding the Fourth Proportional to 5,940.96, 8,197.68 and 4,078.56

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Solution

The fourth proportional to 5,940.96, 8,197.68 and 4,078.56 is: 5,627.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,940.96 : 8,197.68 = 4,078.56 : x
  2. Step 2: Convert to fraction form
    5,940.96/8,197.68 = 4,078.56/x
  3. Step 3: Cross multiply
    5,940.96x = 8,197.68 × 4,078.56
  4. Step 4: Simplify right side
    5,940.96x = 33,434,729.74
  5. Step 5: Solve for x
    x = 33,434,729.74/5,940.96
  6. Step 6: Final answer
    x = 5,627.83

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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.