Home / 3,694.39-5,098.06-2,015.78

Finding the Fourth Proportional to 3,694.39, 5,098.06 and 2,015.78

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Solution

The fourth proportional to 3,694.39, 5,098.06 and 2,015.78 is: 2,781.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,694.39 : 5,098.06 = 2,015.78 : x
  2. Step 2: Convert to fraction form
    3,694.39/5,098.06 = 2,015.78/x
  3. Step 3: Cross multiply
    3,694.39x = 5,098.06 × 2,015.78
  4. Step 4: Simplify right side
    3,694.39x = 10,276,567.39
  5. Step 5: Solve for x
    x = 10,276,567.39/3,694.39
  6. Step 6: Final answer
    x = 2,781.67

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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.