Home / 3,629.46-5,007.42-2,212.74

Finding the Fourth Proportional to 3,629.46, 5,007.42 and 2,212.74

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Solution

The fourth proportional to 3,629.46, 5,007.42 and 2,212.74 is: 3,052.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,629.46 : 5,007.42 = 2,212.74 : x
  2. Step 2: Convert to fraction form
    3,629.46/5,007.42 = 2,212.74/x
  3. Step 3: Cross multiply
    3,629.46x = 5,007.42 × 2,212.74
  4. Step 4: Simplify right side
    3,629.46x = 11,080,118.53
  5. Step 5: Solve for x
    x = 11,080,118.53/3,629.46
  6. Step 6: Final answer
    x = 3,052.83

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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.