Home / 4,078.52-6,120.08-1,738.27

Finding the Fourth Proportional to 4,078.52, 6,120.08 and 1,738.27

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Solution

The fourth proportional to 4,078.52, 6,120.08 and 1,738.27 is: 2,608.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,078.52 : 6,120.08 = 1,738.27 : x
  2. Step 2: Convert to fraction form
    4,078.52/6,120.08 = 1,738.27/x
  3. Step 3: Cross multiply
    4,078.52x = 6,120.08 × 1,738.27
  4. Step 4: Simplify right side
    4,078.52x = 10,638,356.94
  5. Step 5: Solve for x
    x = 10,638,356.94/4,078.52
  6. Step 6: Final answer
    x = 2,608.39

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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.