Home / 5,234.73-7,223.77-2,876.87

Finding the Fourth Proportional to 5,234.73, 7,223.77 and 2,876.87

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Solution

The fourth proportional to 5,234.73, 7,223.77 and 2,876.87 is: 3,969.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,234.73 : 7,223.77 = 2,876.87 : x
  2. Step 2: Convert to fraction form
    5,234.73/7,223.77 = 2,876.87/x
  3. Step 3: Cross multiply
    5,234.73x = 7,223.77 × 2,876.87
  4. Step 4: Simplify right side
    5,234.73x = 20,781,811.08
  5. Step 5: Solve for x
    x = 20,781,811.08/5,234.73
  6. Step 6: Final answer
    x = 3,969.99

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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.