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Finding the Fourth Proportional to 2,893.83, 3,993.55 and 1,775.38

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Solution

The fourth proportional to 2,893.83, 3,993.55 and 1,775.38 is: 2,450.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,893.83 : 3,993.55 = 1,775.38 : x
  2. Step 2: Convert to fraction form
    2,893.83/3,993.55 = 1,775.38/x
  3. Step 3: Cross multiply
    2,893.83x = 3,993.55 × 1,775.38
  4. Step 4: Simplify right side
    2,893.83x = 7,090,077.47
  5. Step 5: Solve for x
    x = 7,090,077.47/2,893.83
  6. Step 6: Final answer
    x = 2,450.07

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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.