Home / 3,226.49-4,839.37-886.67

Finding the Fourth Proportional to 3,226.49, 4,839.37 and 886.67

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Solution

The fourth proportional to 3,226.49, 4,839.37 and 886.67 is: 1,329.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,226.49 : 4,839.37 = 886.67 : x
  2. Step 2: Convert to fraction form
    3,226.49/4,839.37 = 886.67/x
  3. Step 3: Cross multiply
    3,226.49x = 4,839.37 × 886.67
  4. Step 4: Simplify right side
    3,226.49x = 4,290,897.78
  5. Step 5: Solve for x
    x = 4,290,897.78/3,226.49
  6. Step 6: Final answer
    x = 1,329.90

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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.