Home / 3,809.14-5,257.08-2,317.57

Finding the Fourth Proportional to 3,809.14, 5,257.08 and 2,317.57

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Solution

The fourth proportional to 3,809.14, 5,257.08 and 2,317.57 is: 3,198.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,809.14 : 5,257.08 = 2,317.57 : x
  2. Step 2: Convert to fraction form
    3,809.14/5,257.08 = 2,317.57/x
  3. Step 3: Cross multiply
    3,809.14x = 5,257.08 × 2,317.57
  4. Step 4: Simplify right side
    3,809.14x = 12,183,650.90
  5. Step 5: Solve for x
    x = 12,183,650.90/3,809.14
  6. Step 6: Final answer
    x = 3,198.53

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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.