Home / 2,176.62-3,266.55-1,745.70

Finding the Fourth Proportional to 2,176.62, 3,266.55 and 1,745.70

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Solution

The fourth proportional to 2,176.62, 3,266.55 and 1,745.70 is: 2,619.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,176.62 : 3,266.55 = 1,745.70 : x
  2. Step 2: Convert to fraction form
    2,176.62/3,266.55 = 1,745.70/x
  3. Step 3: Cross multiply
    2,176.62x = 3,266.55 × 1,745.70
  4. Step 4: Simplify right side
    2,176.62x = 5,702,416.34
  5. Step 5: Solve for x
    x = 5,702,416.34/2,176.62
  6. Step 6: Final answer
    x = 2,619.85

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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.