Home / 2,249.97-3,369.75-2,172.12

Finding the Fourth Proportional to 2,249.97, 3,369.75 and 2,172.12

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Solution

The fourth proportional to 2,249.97, 3,369.75 and 2,172.12 is: 3,253.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,249.97 : 3,369.75 = 2,172.12 : x
  2. Step 2: Convert to fraction form
    2,249.97/3,369.75 = 2,172.12/x
  3. Step 3: Cross multiply
    2,249.97x = 3,369.75 × 2,172.12
  4. Step 4: Simplify right side
    2,249.97x = 7,319,501.37
  5. Step 5: Solve for x
    x = 7,319,501.37/2,249.97
  6. Step 6: Final answer
    x = 3,253.16

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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.