Home / 3,785.85-5,223.60-2,293.74

Finding the Fourth Proportional to 3,785.85, 5,223.60 and 2,293.74

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Solution

The fourth proportional to 3,785.85, 5,223.60 and 2,293.74 is: 3,164.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,785.85 : 5,223.60 = 2,293.74 : x
  2. Step 2: Convert to fraction form
    3,785.85/5,223.60 = 2,293.74/x
  3. Step 3: Cross multiply
    3,785.85x = 5,223.60 × 2,293.74
  4. Step 4: Simplify right side
    3,785.85x = 11,981,580.26
  5. Step 5: Solve for x
    x = 11,981,580.26/3,785.85
  6. Step 6: Final answer
    x = 3,164.83

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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.