Home / 4,149.12-5,725.79-2,286.12

Finding the Fourth Proportional to 4,149.12, 5,725.79 and 2,286.12

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Solution

The fourth proportional to 4,149.12, 5,725.79 and 2,286.12 is: 3,154.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,149.12 : 5,725.79 = 2,286.12 : x
  2. Step 2: Convert to fraction form
    4,149.12/5,725.79 = 2,286.12/x
  3. Step 3: Cross multiply
    4,149.12x = 5,725.79 × 2,286.12
  4. Step 4: Simplify right side
    4,149.12x = 13,089,831.60
  5. Step 5: Solve for x
    x = 13,089,831.60/4,149.12
  6. Step 6: Final answer
    x = 3,154.85

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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.