Home / 7,181.26-9,910.15-4,196.54

Finding the Fourth Proportional to 7,181.26, 9,910.15 and 4,196.54

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Solution

The fourth proportional to 7,181.26, 9,910.15 and 4,196.54 is: 5,791.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,181.26 : 9,910.15 = 4,196.54 : x
  2. Step 2: Convert to fraction form
    7,181.26/9,910.15 = 4,196.54/x
  3. Step 3: Cross multiply
    7,181.26x = 9,910.15 × 4,196.54
  4. Step 4: Simplify right side
    7,181.26x = 41,588,355.17
  5. Step 5: Solve for x
    x = 41,588,355.17/7,181.26
  6. Step 6: Final answer
    x = 5,791.24

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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.