Home / 5,518.74-7,610.82-4,105.97

Finding the Fourth Proportional to 5,518.74, 7,610.82 and 4,105.97

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Solution

The fourth proportional to 5,518.74, 7,610.82 and 4,105.97 is: 5,662.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,518.74 : 7,610.82 = 4,105.97 : x
  2. Step 2: Convert to fraction form
    5,518.74/7,610.82 = 4,105.97/x
  3. Step 3: Cross multiply
    5,518.74x = 7,610.82 × 4,105.97
  4. Step 4: Simplify right side
    5,518.74x = 31,249,745.14
  5. Step 5: Solve for x
    x = 31,249,745.14/5,518.74
  6. Step 6: Final answer
    x = 5,662.48

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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.