Home / 5,191.22-7,786.57-1,493.42

Finding the Fourth Proportional to 5,191.22, 7,786.57 and 1,493.42

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Solution

The fourth proportional to 5,191.22, 7,786.57 and 1,493.42 is: 2,240.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,191.22 : 7,786.57 = 1,493.42 : x
  2. Step 2: Convert to fraction form
    5,191.22/7,786.57 = 1,493.42/x
  3. Step 3: Cross multiply
    5,191.22x = 7,786.57 × 1,493.42
  4. Step 4: Simplify right side
    5,191.22x = 11,628,572.97
  5. Step 5: Solve for x
    x = 11,628,572.97/5,191.22
  6. Step 6: Final answer
    x = 2,240.05

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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.