Home / 5,234.73-7,223.88-2,876.86

Finding the Fourth Proportional to 5,234.73, 7,223.88 and 2,876.86

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Solution

The fourth proportional to 5,234.73, 7,223.88 and 2,876.86 is: 3,970.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,234.73 : 7,223.88 = 2,876.86 : x
  2. Step 2: Convert to fraction form
    5,234.73/7,223.88 = 2,876.86/x
  3. Step 3: Cross multiply
    5,234.73x = 7,223.88 × 2,876.86
  4. Step 4: Simplify right side
    5,234.73x = 20,782,091.42
  5. Step 5: Solve for x
    x = 20,782,091.42/5,234.73
  6. Step 6: Final answer
    x = 3,970.04

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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.