Home / 6,145.75-8,481.27-3,351.25

Finding the Fourth Proportional to 6,145.75, 8,481.27 and 3,351.25

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Solution

The fourth proportional to 6,145.75, 8,481.27 and 3,351.25 is: 4,624.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,145.75 : 8,481.27 = 3,351.25 : x
  2. Step 2: Convert to fraction form
    6,145.75/8,481.27 = 3,351.25/x
  3. Step 3: Cross multiply
    6,145.75x = 8,481.27 × 3,351.25
  4. Step 4: Simplify right side
    6,145.75x = 28,422,856.09
  5. Step 5: Solve for x
    x = 28,422,856.09/6,145.75
  6. Step 6: Final answer
    x = 4,624.80

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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.