Home / 5,234.48-7,223.73-2,876.78

Finding the Fourth Proportional to 5,234.48, 7,223.73 and 2,876.78

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Solution

The fourth proportional to 5,234.48, 7,223.73 and 2,876.78 is: 3,970.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,234.48 : 7,223.73 = 2,876.78 : x
  2. Step 2: Convert to fraction form
    5,234.48/7,223.73 = 2,876.78/x
  3. Step 3: Cross multiply
    5,234.48x = 7,223.73 × 2,876.78
  4. Step 4: Simplify right side
    5,234.48x = 20,781,081.99
  5. Step 5: Solve for x
    x = 20,781,081.99/5,234.48
  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.