Home / 3,792.92-5,234.20-2,220.68

Finding the Fourth Proportional to 3,792.92, 5,234.20 and 2,220.68

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Solution

The fourth proportional to 3,792.92, 5,234.20 and 2,220.68 is: 3,064.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,792.92 : 5,234.20 = 2,220.68 : x
  2. Step 2: Convert to fraction form
    3,792.92/5,234.20 = 2,220.68/x
  3. Step 3: Cross multiply
    3,792.92x = 5,234.20 × 2,220.68
  4. Step 4: Simplify right side
    3,792.92x = 11,623,483.26
  5. Step 5: Solve for x
    x = 11,623,483.26/3,792.92
  6. Step 6: Final answer
    x = 3,064.52

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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.