Home / 5,213.96-7,195.19-2,976.54

Finding the Fourth Proportional to 5,213.96, 7,195.19 and 2,976.54

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Solution

The fourth proportional to 5,213.96, 7,195.19 and 2,976.54 is: 4,107.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,213.96 : 7,195.19 = 2,976.54 : x
  2. Step 2: Convert to fraction form
    5,213.96/7,195.19 = 2,976.54/x
  3. Step 3: Cross multiply
    5,213.96x = 7,195.19 × 2,976.54
  4. Step 4: Simplify right side
    5,213.96x = 21,416,755.96
  5. Step 5: Solve for x
    x = 21,416,755.96/5,213.96
  6. Step 6: Final answer
    x = 4,107.58

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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.