Home / 2,775.08-3,830.82-1,841.96

Finding the Fourth Proportional to 2,775.08, 3,830.82 and 1,841.96

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Solution

The fourth proportional to 2,775.08, 3,830.82 and 1,841.96 is: 2,542.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,775.08 : 3,830.82 = 1,841.96 : x
  2. Step 2: Convert to fraction form
    2,775.08/3,830.82 = 1,841.96/x
  3. Step 3: Cross multiply
    2,775.08x = 3,830.82 × 1,841.96
  4. Step 4: Simplify right side
    2,775.08x = 7,056,217.21
  5. Step 5: Solve for x
    x = 7,056,217.21/2,775.08
  6. Step 6: Final answer
    x = 2,542.71

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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.