Home / 4,111.61-6,169.86-2,163.96

Finding the Fourth Proportional to 4,111.61, 6,169.86 and 2,163.96

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Solution

The fourth proportional to 4,111.61, 6,169.86 and 2,163.96 is: 3,247.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,111.61 : 6,169.86 = 2,163.96 : x
  2. Step 2: Convert to fraction form
    4,111.61/6,169.86 = 2,163.96/x
  3. Step 3: Cross multiply
    4,111.61x = 6,169.86 × 2,163.96
  4. Step 4: Simplify right side
    4,111.61x = 13,351,330.25
  5. Step 5: Solve for x
    x = 13,351,330.25/4,111.61
  6. Step 6: Final answer
    x = 3,247.23

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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.