Home / 3,794.53-5,236.21-2,115.71

Finding the Fourth Proportional to 3,794.53, 5,236.21 and 2,115.71

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Solution

The fourth proportional to 3,794.53, 5,236.21 and 2,115.71 is: 2,919.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,794.53 : 5,236.21 = 2,115.71 : x
  2. Step 2: Convert to fraction form
    3,794.53/5,236.21 = 2,115.71/x
  3. Step 3: Cross multiply
    3,794.53x = 5,236.21 × 2,115.71
  4. Step 4: Simplify right side
    3,794.53x = 11,078,301.86
  5. Step 5: Solve for x
    x = 11,078,301.86/3,794.53
  6. Step 6: Final answer
    x = 2,919.55

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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.