Home / 7,540.91-10,406.25-4,183.71

Finding the Fourth Proportional to 7,540.91, 10,406.25 and 4,183.71

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Solution

The fourth proportional to 7,540.91, 10,406.25 and 4,183.71 is: 5,773.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,540.91 : 10,406.25 = 4,183.71 : x
  2. Step 2: Convert to fraction form
    7,540.91/10,406.25 = 4,183.71/x
  3. Step 3: Cross multiply
    7,540.91x = 10,406.25 × 4,183.71
  4. Step 4: Simplify right side
    7,540.91x = 43,536,732.19
  5. Step 5: Solve for x
    x = 43,536,732.19/7,540.91
  6. Step 6: Final answer
    x = 5,773.41

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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.