Home / 3,212.84-4,433.81-1,796.47

Finding the Fourth Proportional to 3,212.84, 4,433.81 and 1,796.47

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Solution

The fourth proportional to 3,212.84, 4,433.81 and 1,796.47 is: 2,479.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,212.84 : 4,433.81 = 1,796.47 : x
  2. Step 2: Convert to fraction form
    3,212.84/4,433.81 = 1,796.47/x
  3. Step 3: Cross multiply
    3,212.84x = 4,433.81 × 1,796.47
  4. Step 4: Simplify right side
    3,212.84x = 7,965,206.65
  5. Step 5: Solve for x
    x = 7,965,206.65/3,212.84
  6. Step 6: Final answer
    x = 2,479.18

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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.