Home / 6,191.24-8,543.85-3,358.56

Finding the Fourth Proportional to 6,191.24, 8,543.85 and 3,358.56

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Solution

The fourth proportional to 6,191.24, 8,543.85 and 3,358.56 is: 4,634.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,191.24 : 8,543.85 = 3,358.56 : x
  2. Step 2: Convert to fraction form
    6,191.24/8,543.85 = 3,358.56/x
  3. Step 3: Cross multiply
    6,191.24x = 8,543.85 × 3,358.56
  4. Step 4: Simplify right side
    6,191.24x = 28,695,032.86
  5. Step 5: Solve for x
    x = 28,695,032.86/6,191.24
  6. Step 6: Final answer
    x = 4,634.78

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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.