Home / 5,792.45-7,991.70-3,553.20

Finding the Fourth Proportional to 5,792.45, 7,991.70 and 3,553.20

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Solution

The fourth proportional to 5,792.45, 7,991.70 and 3,553.20 is: 4,902.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,792.45 : 7,991.70 = 3,553.20 : x
  2. Step 2: Convert to fraction form
    5,792.45/7,991.70 = 3,553.20/x
  3. Step 3: Cross multiply
    5,792.45x = 7,991.70 × 3,553.20
  4. Step 4: Simplify right side
    5,792.45x = 28,396,108.44
  5. Step 5: Solve for x
    x = 28,396,108.44/5,792.45
  6. Step 6: Final answer
    x = 4,902.27

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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.