Home / 3,212.76-4,433.56-1,796.48

Finding the Fourth Proportional to 3,212.76, 4,433.56 and 1,796.48

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Solution

The fourth proportional to 3,212.76, 4,433.56 and 1,796.48 is: 2,479.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,212.76 : 4,433.56 = 1,796.48 : x
  2. Step 2: Convert to fraction form
    3,212.76/4,433.56 = 1,796.48/x
  3. Step 3: Cross multiply
    3,212.76x = 4,433.56 × 1,796.48
  4. Step 4: Simplify right side
    3,212.76x = 7,964,801.87
  5. Step 5: Solve for x
    x = 7,964,801.87/3,212.76
  6. Step 6: Final answer
    x = 2,479.12

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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.