Home / 3,167.72-4,370.06-1,908.04

Finding the Fourth Proportional to 3,167.72, 4,370.06 and 1,908.04

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Solution

The fourth proportional to 3,167.72, 4,370.06 and 1,908.04 is: 2,632.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,167.72 : 4,370.06 = 1,908.04 : x
  2. Step 2: Convert to fraction form
    3,167.72/4,370.06 = 1,908.04/x
  3. Step 3: Cross multiply
    3,167.72x = 4,370.06 × 1,908.04
  4. Step 4: Simplify right side
    3,167.72x = 8,338,243.13
  5. Step 5: Solve for x
    x = 8,338,243.13/3,167.72
  6. Step 6: Final answer
    x = 2,632.25

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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.