Home / 5,449.86-8,170.83-4,132.26

Finding the Fourth Proportional to 5,449.86, 8,170.83 and 4,132.26

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Solution

The fourth proportional to 5,449.86, 8,170.83 and 4,132.26 is: 6,195.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,449.86 : 8,170.83 = 4,132.26 : x
  2. Step 2: Convert to fraction form
    5,449.86/8,170.83 = 4,132.26/x
  3. Step 3: Cross multiply
    5,449.86x = 8,170.83 × 4,132.26
  4. Step 4: Simplify right side
    5,449.86x = 33,763,993.98
  5. Step 5: Solve for x
    x = 33,763,993.98/5,449.86
  6. Step 6: Final answer
    x = 6,195.39

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.