Home / 5,088.41-7,019.83-3,198.68

Finding the Fourth Proportional to 5,088.41, 7,019.83 and 3,198.68

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Solution

The fourth proportional to 5,088.41, 7,019.83 and 3,198.68 is: 4,412.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,088.41 : 7,019.83 = 3,198.68 : x
  2. Step 2: Convert to fraction form
    5,088.41/7,019.83 = 3,198.68/x
  3. Step 3: Cross multiply
    5,088.41x = 7,019.83 × 3,198.68
  4. Step 4: Simplify right side
    5,088.41x = 22,454,189.82
  5. Step 5: Solve for x
    x = 22,454,189.82/5,088.41
  6. Step 6: Final answer
    x = 4,412.81

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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.