Home / 4,111.25-6,165.92-1,645.41

Finding the Fourth Proportional to 4,111.25, 6,165.92 and 1,645.41

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Solution

The fourth proportional to 4,111.25, 6,165.92 and 1,645.41 is: 2,467.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,111.25 : 6,165.92 = 1,645.41 : x
  2. Step 2: Convert to fraction form
    4,111.25/6,165.92 = 1,645.41/x
  3. Step 3: Cross multiply
    4,111.25x = 6,165.92 × 1,645.41
  4. Step 4: Simplify right side
    4,111.25x = 10,145,466.43
  5. Step 5: Solve for x
    x = 10,145,466.43/4,111.25
  6. Step 6: Final answer
    x = 2,467.73

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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.