Home / 7,091.82-10,629.99-2,934.54

Finding the Fourth Proportional to 7,091.82, 10,629.99 and 2,934.54

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Solution

The fourth proportional to 7,091.82, 10,629.99 and 2,934.54 is: 4,398.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,091.82 : 10,629.99 = 2,934.54 : x
  2. Step 2: Convert to fraction form
    7,091.82/10,629.99 = 2,934.54/x
  3. Step 3: Cross multiply
    7,091.82x = 10,629.99 × 2,934.54
  4. Step 4: Simplify right side
    7,091.82x = 31,194,130.85
  5. Step 5: Solve for x
    x = 31,194,130.85/7,091.82
  6. Step 6: Final answer
    x = 4,398.61

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.