Home / 2,940.29-4,058.45-1,682.06

Finding the Fourth Proportional to 2,940.29, 4,058.45 and 1,682.06

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Solution

The fourth proportional to 2,940.29, 4,058.45 and 1,682.06 is: 2,321.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,940.29 : 4,058.45 = 1,682.06 : x
  2. Step 2: Convert to fraction form
    2,940.29/4,058.45 = 1,682.06/x
  3. Step 3: Cross multiply
    2,940.29x = 4,058.45 × 1,682.06
  4. Step 4: Simplify right side
    2,940.29x = 6,826,527.70
  5. Step 5: Solve for x
    x = 6,826,527.70/2,940.29
  6. Step 6: Final answer
    x = 2,321.72

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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.