Home / 3,971.67-5,481.15-2,293.38

Finding the Fourth Proportional to 3,971.67, 5,481.15 and 2,293.38

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Solution

The fourth proportional to 3,971.67, 5,481.15 and 2,293.38 is: 3,165.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,971.67 : 5,481.15 = 2,293.38 : x
  2. Step 2: Convert to fraction form
    3,971.67/5,481.15 = 2,293.38/x
  3. Step 3: Cross multiply
    3,971.67x = 5,481.15 × 2,293.38
  4. Step 4: Simplify right side
    3,971.67x = 12,570,359.79
  5. Step 5: Solve for x
    x = 12,570,359.79/3,971.67
  6. Step 6: Final answer
    x = 3,165.01

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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.