Home / 5,475.52-8,207.68-2,872.96

Finding the Fourth Proportional to 5,475.52, 8,207.68 and 2,872.96

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Solution

The fourth proportional to 5,475.52, 8,207.68 and 2,872.96 is: 4,306.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,475.52 : 8,207.68 = 2,872.96 : x
  2. Step 2: Convert to fraction form
    5,475.52/8,207.68 = 2,872.96/x
  3. Step 3: Cross multiply
    5,475.52x = 8,207.68 × 2,872.96
  4. Step 4: Simplify right side
    5,475.52x = 23,580,336.33
  5. Step 5: Solve for x
    x = 23,580,336.33/5,475.52
  6. Step 6: Final answer
    x = 4,306.50

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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.