Home / 5,356.35-7,391.77-2,998.49

Finding the Fourth Proportional to 5,356.35, 7,391.77 and 2,998.49

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Solution

The fourth proportional to 5,356.35, 7,391.77 and 2,998.49 is: 4,137.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,356.35 : 7,391.77 = 2,998.49 : x
  2. Step 2: Convert to fraction form
    5,356.35/7,391.77 = 2,998.49/x
  3. Step 3: Cross multiply
    5,356.35x = 7,391.77 × 2,998.49
  4. Step 4: Simplify right side
    5,356.35x = 22,164,103.97
  5. Step 5: Solve for x
    x = 22,164,103.97/5,356.35
  6. Step 6: Final answer
    x = 4,137.91

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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.