Home / 3,299.52-4,553.21-1,972.44

Finding the Fourth Proportional to 3,299.52, 4,553.21 and 1,972.44

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Solution

The fourth proportional to 3,299.52, 4,553.21 and 1,972.44 is: 2,721.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,299.52 : 4,553.21 = 1,972.44 : x
  2. Step 2: Convert to fraction form
    3,299.52/4,553.21 = 1,972.44/x
  3. Step 3: Cross multiply
    3,299.52x = 4,553.21 × 1,972.44
  4. Step 4: Simplify right side
    3,299.52x = 8,980,923.67
  5. Step 5: Solve for x
    x = 8,980,923.67/3,299.52
  6. Step 6: Final answer
    x = 2,721.89

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.