Home / 6,145.62-8,481.04-3,351.12

Finding the Fourth Proportional to 6,145.62, 8,481.04 and 3,351.12

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Solution

The fourth proportional to 6,145.62, 8,481.04 and 3,351.12 is: 4,624.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,145.62 : 8,481.04 = 3,351.12 : x
  2. Step 2: Convert to fraction form
    6,145.62/8,481.04 = 3,351.12/x
  3. Step 3: Cross multiply
    6,145.62x = 8,481.04 × 3,351.12
  4. Step 4: Simplify right side
    6,145.62x = 28,420,982.76
  5. Step 5: Solve for x
    x = 28,420,982.76/6,145.62
  6. Step 6: Final answer
    x = 4,624.59

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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.