Home / 3,170.00-4,372.85-2,225.41

Finding the Fourth Proportional to 3,170.00, 4,372.85 and 2,225.41

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Solution

The fourth proportional to 3,170.00, 4,372.85 and 2,225.41 is: 3,069.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,170.00 : 4,372.85 = 2,225.41 : x
  2. Step 2: Convert to fraction form
    3,170.00/4,372.85 = 2,225.41/x
  3. Step 3: Cross multiply
    3,170.00x = 4,372.85 × 2,225.41
  4. Step 4: Simplify right side
    3,170.00x = 9,731,378.75
  5. Step 5: Solve for x
    x = 9,731,378.75/3,170.00
  6. Step 6: Final answer
    x = 3,069.83

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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.