Home / 5,351.66-7,385.27-2,993.79

Finding the Fourth Proportional to 5,351.66, 7,385.27 and 2,993.79

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Solution

The fourth proportional to 5,351.66, 7,385.27 and 2,993.79 is: 4,131.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,351.66 : 7,385.27 = 2,993.79 : x
  2. Step 2: Convert to fraction form
    5,351.66/7,385.27 = 2,993.79/x
  3. Step 3: Cross multiply
    5,351.66x = 7,385.27 × 2,993.79
  4. Step 4: Simplify right side
    5,351.66x = 22,109,947.47
  5. Step 5: Solve for x
    x = 22,109,947.47/5,351.66
  6. Step 6: Final answer
    x = 4,131.42

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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.