Home / 5,519.44-7,617.59-3,161.58

Finding the Fourth Proportional to 5,519.44, 7,617.59 and 3,161.58

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Solution

The fourth proportional to 5,519.44, 7,617.59 and 3,161.58 is: 4,363.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,519.44 : 7,617.59 = 3,161.58 : x
  2. Step 2: Convert to fraction form
    5,519.44/7,617.59 = 3,161.58/x
  3. Step 3: Cross multiply
    5,519.44x = 7,617.59 × 3,161.58
  4. Step 4: Simplify right side
    5,519.44x = 24,083,648.31
  5. Step 5: Solve for x
    x = 24,083,648.31/5,519.44
  6. Step 6: Final answer
    x = 4,363.42

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1.5x scale

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.