Home / 3,698.14-5,103.36-2,019.54

Finding the Fourth Proportional to 3,698.14, 5,103.36 and 2,019.54

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Solution

The fourth proportional to 3,698.14, 5,103.36 and 2,019.54 is: 2,786.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,698.14 : 5,103.36 = 2,019.54 : x
  2. Step 2: Convert to fraction form
    3,698.14/5,103.36 = 2,019.54/x
  3. Step 3: Cross multiply
    3,698.14x = 5,103.36 × 2,019.54
  4. Step 4: Simplify right side
    3,698.14x = 10,306,439.65
  5. Step 5: Solve for x
    x = 10,306,439.65/3,698.14
  6. Step 6: Final answer
    x = 2,786.93

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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.