Home / 3,622.49-5,433.75-1,281.96

Finding the Fourth Proportional to 3,622.49, 5,433.75 and 1,281.96

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Solution

The fourth proportional to 3,622.49, 5,433.75 and 1,281.96 is: 1,922.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,622.49 : 5,433.75 = 1,281.96 : x
  2. Step 2: Convert to fraction form
    3,622.49/5,433.75 = 1,281.96/x
  3. Step 3: Cross multiply
    3,622.49x = 5,433.75 × 1,281.96
  4. Step 4: Simplify right side
    3,622.49x = 6,965,850.15
  5. Step 5: Solve for x
    x = 6,965,850.15/3,622.49
  6. Step 6: Final answer
    x = 1,922.95

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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.