Home / 3,515.91-4,852.20-1,943.97

Finding the Fourth Proportional to 3,515.91, 4,852.20 and 1,943.97

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Solution

The fourth proportional to 3,515.91, 4,852.20 and 1,943.97 is: 2,682.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,515.91 : 4,852.20 = 1,943.97 : x
  2. Step 2: Convert to fraction form
    3,515.91/4,852.20 = 1,943.97/x
  3. Step 3: Cross multiply
    3,515.91x = 4,852.20 × 1,943.97
  4. Step 4: Simplify right side
    3,515.91x = 9,432,531.23
  5. Step 5: Solve for x
    x = 9,432,531.23/3,515.91
  6. Step 6: Final answer
    x = 2,682.81

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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.