Home / 2,834.72-4,249.32-2,315.84

Finding the Fourth Proportional to 2,834.72, 4,249.32 and 2,315.84

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Solution

The fourth proportional to 2,834.72, 4,249.32 and 2,315.84 is: 3,471.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,834.72 : 4,249.32 = 2,315.84 : x
  2. Step 2: Convert to fraction form
    2,834.72/4,249.32 = 2,315.84/x
  3. Step 3: Cross multiply
    2,834.72x = 4,249.32 × 2,315.84
  4. Step 4: Simplify right side
    2,834.72x = 9,840,745.23
  5. Step 5: Solve for x
    x = 9,840,745.23/2,834.72
  6. Step 6: Final answer
    x = 3,471.51

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.