Home / 2,845.46-3,910.84-2,511.86

Finding the Fourth Proportional to 2,845.46, 3,910.84 and 2,511.86

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Solution

The fourth proportional to 2,845.46, 3,910.84 and 2,511.86 is: 3,452.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,845.46 : 3,910.84 = 2,511.86 : x
  2. Step 2: Convert to fraction form
    2,845.46/3,910.84 = 2,511.86/x
  3. Step 3: Cross multiply
    2,845.46x = 3,910.84 × 2,511.86
  4. Step 4: Simplify right side
    2,845.46x = 9,823,482.56
  5. Step 5: Solve for x
    x = 9,823,482.56/2,845.46
  6. Step 6: Final answer
    x = 3,452.34

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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.