Home / 3,686.56-5,087.32-2,194.14

Finding the Fourth Proportional to 3,686.56, 5,087.32 and 2,194.14

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Solution

The fourth proportional to 3,686.56, 5,087.32 and 2,194.14 is: 3,027.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,686.56 : 5,087.32 = 2,194.14 : x
  2. Step 2: Convert to fraction form
    3,686.56/5,087.32 = 2,194.14/x
  3. Step 3: Cross multiply
    3,686.56x = 5,087.32 × 2,194.14
  4. Step 4: Simplify right side
    3,686.56x = 11,162,292.30
  5. Step 5: Solve for x
    x = 11,162,292.30/3,686.56
  6. Step 6: Final answer
    x = 3,027.83

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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.