Home / 3,170.24-4,372.84-1,910.44

Finding the Fourth Proportional to 3,170.24, 4,372.84 and 1,910.44

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Solution

The fourth proportional to 3,170.24, 4,372.84 and 1,910.44 is: 2,635.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,170.24 : 4,372.84 = 1,910.44 : x
  2. Step 2: Convert to fraction form
    3,170.24/4,372.84 = 1,910.44/x
  3. Step 3: Cross multiply
    3,170.24x = 4,372.84 × 1,910.44
  4. Step 4: Simplify right side
    3,170.24x = 8,354,048.45
  5. Step 5: Solve for x
    x = 8,354,048.45/3,170.24
  6. Step 6: Final answer
    x = 2,635.15

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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.