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Finding the Fourth Proportional to 3,224, 4,836 and 1,400

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Solution

The fourth proportional to 3,224, 4,836 and 1,400 is: 2,100

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,224 : 4,836 = 1,400 : x
  2. Step 2: Convert to fraction form
    3,224/4,836 = 1,400/x
  3. Step 3: Cross multiply
    3,224x = 4,836 × 1,400
  4. Step 4: Simplify right side
    3,224x = 6,770,400
  5. Step 5: Solve for x
    x = 6,770,400/3,224
  6. Step 6: Final answer
    x = 2,100

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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.