Home / 2,943.90-4,061.97-1,764.54

Finding the Fourth Proportional to 2,943.90, 4,061.97 and 1,764.54

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Solution

The fourth proportional to 2,943.90, 4,061.97 and 1,764.54 is: 2,434.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,943.90 : 4,061.97 = 1,764.54 : x
  2. Step 2: Convert to fraction form
    2,943.90/4,061.97 = 1,764.54/x
  3. Step 3: Cross multiply
    2,943.90x = 4,061.97 × 1,764.54
  4. Step 4: Simplify right side
    2,943.90x = 7,167,508.54
  5. Step 5: Solve for x
    x = 7,167,508.54/2,943.90
  6. Step 6: Final answer
    x = 2,434.70

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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.