Home / 5,112.43-7,674.11-4,150.15

Finding the Fourth Proportional to 5,112.43, 7,674.11 and 4,150.15

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Solution

The fourth proportional to 5,112.43, 7,674.11 and 4,150.15 is: 6,229.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,112.43 : 7,674.11 = 4,150.15 : x
  2. Step 2: Convert to fraction form
    5,112.43/7,674.11 = 4,150.15/x
  3. Step 3: Cross multiply
    5,112.43x = 7,674.11 × 4,150.15
  4. Step 4: Simplify right side
    5,112.43x = 31,848,707.62
  5. Step 5: Solve for x
    x = 31,848,707.62/5,112.43
  6. Step 6: Final answer
    x = 6,229.66

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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.