Home / 2,114.82-3,183.26-1,913.58

Finding the Fourth Proportional to 2,114.82, 3,183.26 and 1,913.58

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Solution

The fourth proportional to 2,114.82, 3,183.26 and 1,913.58 is: 2,880.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,114.82 : 3,183.26 = 1,913.58 : x
  2. Step 2: Convert to fraction form
    2,114.82/3,183.26 = 1,913.58/x
  3. Step 3: Cross multiply
    2,114.82x = 3,183.26 × 1,913.58
  4. Step 4: Simplify right side
    2,114.82x = 6,091,413.10
  5. Step 5: Solve for x
    x = 6,091,413.10/2,114.82
  6. Step 6: Final answer
    x = 2,880.35

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.