Home / 4,103.66-5,664.43-2,669.96

Finding the Fourth Proportional to 4,103.66, 5,664.43 and 2,669.96

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Solution

The fourth proportional to 4,103.66, 5,664.43 and 2,669.96 is: 3,685.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,103.66 : 5,664.43 = 2,669.96 : x
  2. Step 2: Convert to fraction form
    4,103.66/5,664.43 = 2,669.96/x
  3. Step 3: Cross multiply
    4,103.66x = 5,664.43 × 2,669.96
  4. Step 4: Simplify right side
    4,103.66x = 15,123,801.52
  5. Step 5: Solve for x
    x = 15,123,801.52/4,103.66
  6. Step 6: Final answer
    x = 3,685.44

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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.