Home / 6,757.45-9,328.13-4,105.71

Finding the Fourth Proportional to 6,757.45, 9,328.13 and 4,105.71

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Solution

The fourth proportional to 6,757.45, 9,328.13 and 4,105.71 is: 5,667.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,757.45 : 9,328.13 = 4,105.71 : x
  2. Step 2: Convert to fraction form
    6,757.45/9,328.13 = 4,105.71/x
  3. Step 3: Cross multiply
    6,757.45x = 9,328.13 × 4,105.71
  4. Step 4: Simplify right side
    6,757.45x = 38,298,596.62
  5. Step 5: Solve for x
    x = 38,298,596.62/6,757.45
  6. Step 6: Final answer
    x = 5,667.61

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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.