Home / 3,299.17-4,552.75-1,972.09

Finding the Fourth Proportional to 3,299.17, 4,552.75 and 1,972.09

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Solution

The fourth proportional to 3,299.17, 4,552.75 and 1,972.09 is: 2,721.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,299.17 : 4,552.75 = 1,972.09 : x
  2. Step 2: Convert to fraction form
    3,299.17/4,552.75 = 1,972.09/x
  3. Step 3: Cross multiply
    3,299.17x = 4,552.75 × 1,972.09
  4. Step 4: Simplify right side
    3,299.17x = 8,978,432.75
  5. Step 5: Solve for x
    x = 8,978,432.75/3,299.17
  6. Step 6: Final answer
    x = 2,721.42

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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.