Home / 2,963.93-4,089.75-1,769.28

Finding the Fourth Proportional to 2,963.93, 4,089.75 and 1,769.28

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Solution

The fourth proportional to 2,963.93, 4,089.75 and 1,769.28 is: 2,441.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,963.93 : 4,089.75 = 1,769.28 : x
  2. Step 2: Convert to fraction form
    2,963.93/4,089.75 = 1,769.28/x
  3. Step 3: Cross multiply
    2,963.93x = 4,089.75 × 1,769.28
  4. Step 4: Simplify right side
    2,963.93x = 7,235,912.88
  5. Step 5: Solve for x
    x = 7,235,912.88/2,963.93
  6. Step 6: Final answer
    x = 2,441.33

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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.