Home / 4,111.86-6,161.27-2,936.05

Finding the Fourth Proportional to 4,111.86, 6,161.27 and 2,936.05

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Solution

The fourth proportional to 4,111.86, 6,161.27 and 2,936.05 is: 4,399.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,111.86 : 6,161.27 = 2,936.05 : x
  2. Step 2: Convert to fraction form
    4,111.86/6,161.27 = 2,936.05/x
  3. Step 3: Cross multiply
    4,111.86x = 6,161.27 × 2,936.05
  4. Step 4: Simplify right side
    4,111.86x = 18,089,766.70
  5. Step 5: Solve for x
    x = 18,089,766.70/4,111.86
  6. Step 6: Final answer
    x = 4,399.41

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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.