Home / 5,191.15-7,786.67-1,493.36

Finding the Fourth Proportional to 5,191.15, 7,786.67 and 1,493.36

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Solution

The fourth proportional to 5,191.15, 7,786.67 and 1,493.36 is: 2,240.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,191.15 : 7,786.67 = 1,493.36 : x
  2. Step 2: Convert to fraction form
    5,191.15/7,786.67 = 1,493.36/x
  3. Step 3: Cross multiply
    5,191.15x = 7,786.67 × 1,493.36
  4. Step 4: Simplify right side
    5,191.15x = 11,628,324.71
  5. Step 5: Solve for x
    x = 11,628,324.71/5,191.15
  6. Step 6: Final answer
    x = 2,240.03

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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.