Home / 5,193.75-7,167.51-2,836.11

Finding the Fourth Proportional to 5,193.75, 7,167.51 and 2,836.11

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Solution

The fourth proportional to 5,193.75, 7,167.51 and 2,836.11 is: 3,913.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,193.75 : 7,167.51 = 2,836.11 : x
  2. Step 2: Convert to fraction form
    5,193.75/7,167.51 = 2,836.11/x
  3. Step 3: Cross multiply
    5,193.75x = 7,167.51 × 2,836.11
  4. Step 4: Simplify right side
    5,193.75x = 20,327,846.79
  5. Step 5: Solve for x
    x = 20,327,846.79/5,193.75
  6. Step 6: Final answer
    x = 3,913.91

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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.