Home / 4,111.49-6,167.78-2,163.80

Finding the Fourth Proportional to 4,111.49, 6,167.78 and 2,163.80

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Solution

The fourth proportional to 4,111.49, 6,167.78 and 2,163.80 is: 3,245.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,111.49 : 6,167.78 = 2,163.80 : x
  2. Step 2: Convert to fraction form
    4,111.49/6,167.78 = 2,163.80/x
  3. Step 3: Cross multiply
    4,111.49x = 6,167.78 × 2,163.80
  4. Step 4: Simplify right side
    4,111.49x = 13,345,842.36
  5. Step 5: Solve for x
    x = 13,345,842.36/4,111.49
  6. Step 6: Final answer
    x = 3,245.99

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1.5x scale

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.