Home / 3,486.27-5,231.22-2,317.11

Finding the Fourth Proportional to 3,486.27, 5,231.22 and 2,317.11

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Solution

The fourth proportional to 3,486.27, 5,231.22 and 2,317.11 is: 3,476.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,486.27 : 5,231.22 = 2,317.11 : x
  2. Step 2: Convert to fraction form
    3,486.27/5,231.22 = 2,317.11/x
  3. Step 3: Cross multiply
    3,486.27x = 5,231.22 × 2,317.11
  4. Step 4: Simplify right side
    3,486.27x = 12,121,283.87
  5. Step 5: Solve for x
    x = 12,121,283.87/3,486.27
  6. Step 6: Final answer
    x = 3,476.86

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.