Home / 2,942.65-4,060.80-1,616.33

Finding the Fourth Proportional to 2,942.65, 4,060.80 and 1,616.33

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Solution

The fourth proportional to 2,942.65, 4,060.80 and 1,616.33 is: 2,230.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,942.65 : 4,060.80 = 1,616.33 : x
  2. Step 2: Convert to fraction form
    2,942.65/4,060.80 = 1,616.33/x
  3. Step 3: Cross multiply
    2,942.65x = 4,060.80 × 1,616.33
  4. Step 4: Simplify right side
    2,942.65x = 6,563,584.78
  5. Step 5: Solve for x
    x = 6,563,584.78/2,942.65
  6. Step 6: Final answer
    x = 2,230.50

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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.