Home / 2,299.62-3,151.37-2,078.19

Finding the Fourth Proportional to 2,299.62, 3,151.37 and 2,078.19

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Solution

The fourth proportional to 2,299.62, 3,151.37 and 2,078.19 is: 2,847.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,299.62 : 3,151.37 = 2,078.19 : x
  2. Step 2: Convert to fraction form
    2,299.62/3,151.37 = 2,078.19/x
  3. Step 3: Cross multiply
    2,299.62x = 3,151.37 × 2,078.19
  4. Step 4: Simplify right side
    2,299.62x = 6,549,145.62
  5. Step 5: Solve for x
    x = 6,549,145.62/2,299.62
  6. Step 6: Final answer
    x = 2,847.93

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.