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Finding the Fourth Proportional to 2,893.95, 3,993.72 and 1,775.49

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Solution

The fourth proportional to 2,893.95, 3,993.72 and 1,775.49 is: 2,450.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,893.95 : 3,993.72 = 1,775.49 : x
  2. Step 2: Convert to fraction form
    2,893.95/3,993.72 = 1,775.49/x
  3. Step 3: Cross multiply
    2,893.95x = 3,993.72 × 1,775.49
  4. Step 4: Simplify right side
    2,893.95x = 7,090,809.92
  5. Step 5: Solve for x
    x = 7,090,809.92/2,893.95
  6. Step 6: Final answer
    x = 2,450.22

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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.