Home / 5,029.45-6,940.32-2,791.33

Finding the Fourth Proportional to 5,029.45, 6,940.32 and 2,791.33

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Solution

The fourth proportional to 5,029.45, 6,940.32 and 2,791.33 is: 3,851.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,029.45 : 6,940.32 = 2,791.33 : x
  2. Step 2: Convert to fraction form
    5,029.45/6,940.32 = 2,791.33/x
  3. Step 3: Cross multiply
    5,029.45x = 6,940.32 × 2,791.33
  4. Step 4: Simplify right side
    5,029.45x = 19,372,739.95
  5. Step 5: Solve for x
    x = 19,372,739.95/5,029.45
  6. Step 6: Final answer
    x = 3,851.86

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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.