Home / 4,390.11-6,584.13-2,166.75

Finding the Fourth Proportional to 4,390.11, 6,584.13 and 2,166.75

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Solution

The fourth proportional to 4,390.11, 6,584.13 and 2,166.75 is: 3,249.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,390.11 : 6,584.13 = 2,166.75 : x
  2. Step 2: Convert to fraction form
    4,390.11/6,584.13 = 2,166.75/x
  3. Step 3: Cross multiply
    4,390.11x = 6,584.13 × 2,166.75
  4. Step 4: Simplify right side
    4,390.11x = 14,266,163.68
  5. Step 5: Solve for x
    x = 14,266,163.68/4,390.11
  6. Step 6: Final answer
    x = 3,249.61

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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.