Home / 3,183.36-4,392.54-2,005.08

Finding the Fourth Proportional to 3,183.36, 4,392.54 and 2,005.08

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Solution

The fourth proportional to 3,183.36, 4,392.54 and 2,005.08 is: 2,766.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,183.36 : 4,392.54 = 2,005.08 : x
  2. Step 2: Convert to fraction form
    3,183.36/4,392.54 = 2,005.08/x
  3. Step 3: Cross multiply
    3,183.36x = 4,392.54 × 2,005.08
  4. Step 4: Simplify right side
    3,183.36x = 8,807,394.10
  5. Step 5: Solve for x
    x = 8,807,394.10/3,183.36
  6. Step 6: Final answer
    x = 2,766.70

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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.