Home / 3,324.12-4,991.79-3,191.68

Finding the Fourth Proportional to 3,324.12, 4,991.79 and 3,191.68

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Solution

The fourth proportional to 3,324.12, 4,991.79 and 3,191.68 is: 4,792.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,324.12 : 4,991.79 = 3,191.68 : x
  2. Step 2: Convert to fraction form
    3,324.12/4,991.79 = 3,191.68/x
  3. Step 3: Cross multiply
    3,324.12x = 4,991.79 × 3,191.68
  4. Step 4: Simplify right side
    3,324.12x = 15,932,196.31
  5. Step 5: Solve for x
    x = 15,932,196.31/3,324.12
  6. Step 6: Final answer
    x = 4,792.91

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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.