Home / 5,433.15-8,149.73-4,120.95

Finding the Fourth Proportional to 5,433.15, 8,149.73 and 4,120.95

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Solution

The fourth proportional to 5,433.15, 8,149.73 and 4,120.95 is: 6,181.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,433.15 : 8,149.73 = 4,120.95 : x
  2. Step 2: Convert to fraction form
    5,433.15/8,149.73 = 4,120.95/x
  3. Step 3: Cross multiply
    5,433.15x = 8,149.73 × 4,120.95
  4. Step 4: Simplify right side
    5,433.15x = 33,584,609.24
  5. Step 5: Solve for x
    x = 33,584,609.24/5,433.15
  6. Step 6: Final answer
    x = 6,181.43

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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.