Home / 4,255.32-6,383.46-1,789.68

Finding the Fourth Proportional to 4,255.32, 6,383.46 and 1,789.68

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Solution

The fourth proportional to 4,255.32, 6,383.46 and 1,789.68 is: 2,684.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,255.32 : 6,383.46 = 1,789.68 : x
  2. Step 2: Convert to fraction form
    4,255.32/6,383.46 = 1,789.68/x
  3. Step 3: Cross multiply
    4,255.32x = 6,383.46 × 1,789.68
  4. Step 4: Simplify right side
    4,255.32x = 11,424,350.69
  5. Step 5: Solve for x
    x = 11,424,350.69/4,255.32
  6. Step 6: Final answer
    x = 2,684.72

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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.