Home / 5,501.91-8,252.43-2,212.68

Finding the Fourth Proportional to 5,501.91, 8,252.43 and 2,212.68

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Solution

The fourth proportional to 5,501.91, 8,252.43 and 2,212.68 is: 3,318.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,501.91 : 8,252.43 = 2,212.68 : x
  2. Step 2: Convert to fraction form
    5,501.91/8,252.43 = 2,212.68/x
  3. Step 3: Cross multiply
    5,501.91x = 8,252.43 × 2,212.68
  4. Step 4: Simplify right side
    5,501.91x = 18,259,986.81
  5. Step 5: Solve for x
    x = 18,259,986.81/5,501.91
  6. Step 6: Final answer
    x = 3,318.85

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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.