Home / 3,226.11-4,838.80-886.29

Finding the Fourth Proportional to 3,226.11, 4,838.80 and 886.29

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Solution

The fourth proportional to 3,226.11, 4,838.80 and 886.29 is: 1,329.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,226.11 : 4,838.80 = 886.29 : x
  2. Step 2: Convert to fraction form
    3,226.11/4,838.80 = 886.29/x
  3. Step 3: Cross multiply
    3,226.11x = 4,838.80 × 886.29
  4. Step 4: Simplify right side
    3,226.11x = 4,288,580.05
  5. Step 5: Solve for x
    x = 4,288,580.05/3,226.11
  6. Step 6: Final answer
    x = 1,329.33

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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.