Home / 3,748.91-5,169.66-2,256.53

Finding the Fourth Proportional to 3,748.91, 5,169.66 and 2,256.53

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Solution

The fourth proportional to 3,748.91, 5,169.66 and 2,256.53 is: 3,111.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,748.91 : 5,169.66 = 2,256.53 : x
  2. Step 2: Convert to fraction form
    3,748.91/5,169.66 = 2,256.53/x
  3. Step 3: Cross multiply
    3,748.91x = 5,169.66 × 2,256.53
  4. Step 4: Simplify right side
    3,748.91x = 11,665,467.03
  5. Step 5: Solve for x
    x = 11,665,467.03/3,748.91
  6. Step 6: Final answer
    x = 3,111.70

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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.