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Finding the Fourth Proportional to 3,907.94, 5,858.62 and 1,826.84

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Solution

The fourth proportional to 3,907.94, 5,858.62 and 1,826.84 is: 2,738.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,907.94 : 5,858.62 = 1,826.84 : x
  2. Step 2: Convert to fraction form
    3,907.94/5,858.62 = 1,826.84/x
  3. Step 3: Cross multiply
    3,907.94x = 5,858.62 × 1,826.84
  4. Step 4: Simplify right side
    3,907.94x = 10,702,771.44
  5. Step 5: Solve for x
    x = 10,702,771.44/3,907.94
  6. Step 6: Final answer
    x = 2,738.73

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1.5x scale

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.