Home / 2,993.60-4,132.94-2,661.08

Finding the Fourth Proportional to 2,993.60, 4,132.94 and 2,661.08

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Solution

The fourth proportional to 2,993.60, 4,132.94 and 2,661.08 is: 3,673.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,993.60 : 4,132.94 = 2,661.08 : x
  2. Step 2: Convert to fraction form
    2,993.60/4,132.94 = 2,661.08/x
  3. Step 3: Cross multiply
    2,993.60x = 4,132.94 × 2,661.08
  4. Step 4: Simplify right side
    2,993.60x = 10,998,083.98
  5. Step 5: Solve for x
    x = 10,998,083.98/2,993.60
  6. Step 6: Final answer
    x = 3,673.87

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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.