Home / 3,212.03-4,425.68-2,162.27

Finding the Fourth Proportional to 3,212.03, 4,425.68 and 2,162.27

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Solution

The fourth proportional to 3,212.03, 4,425.68 and 2,162.27 is: 2,979.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,212.03 : 4,425.68 = 2,162.27 : x
  2. Step 2: Convert to fraction form
    3,212.03/4,425.68 = 2,162.27/x
  3. Step 3: Cross multiply
    3,212.03x = 4,425.68 × 2,162.27
  4. Step 4: Simplify right side
    3,212.03x = 9,569,482.15
  5. Step 5: Solve for x
    x = 9,569,482.15/3,212.03
  6. Step 6: Final answer
    x = 2,979.27

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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.