Home / 3,212.89-4,433.54-1,796.51

Finding the Fourth Proportional to 3,212.89, 4,433.54 and 1,796.51

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Solution

The fourth proportional to 3,212.89, 4,433.54 and 1,796.51 is: 2,479.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,212.89 : 4,433.54 = 1,796.51 : x
  2. Step 2: Convert to fraction form
    3,212.89/4,433.54 = 1,796.51/x
  3. Step 3: Cross multiply
    3,212.89x = 4,433.54 × 1,796.51
  4. Step 4: Simplify right side
    3,212.89x = 7,964,898.95
  5. Step 5: Solve for x
    x = 7,964,898.95/3,212.89
  6. Step 6: Final answer
    x = 2,479.05

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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.