Home / 3,286.31-4,534.80-1,959.53

Finding the Fourth Proportional to 3,286.31, 4,534.80 and 1,959.53

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Solution

The fourth proportional to 3,286.31, 4,534.80 and 1,959.53 is: 2,703.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,286.31 : 4,534.80 = 1,959.53 : x
  2. Step 2: Convert to fraction form
    3,286.31/4,534.80 = 1,959.53/x
  3. Step 3: Cross multiply
    3,286.31x = 4,534.80 × 1,959.53
  4. Step 4: Simplify right side
    3,286.31x = 8,886,076.64
  5. Step 5: Solve for x
    x = 8,886,076.64/3,286.31
  6. Step 6: Final answer
    x = 2,703.97

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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.