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Finding the Fourth Proportional to 5,753.94, 8,629.92 and 1,858.38

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Solution

The fourth proportional to 5,753.94, 8,629.92 and 1,858.38 is: 2,787.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,753.94 : 8,629.92 = 1,858.38 : x
  2. Step 2: Convert to fraction form
    5,753.94/8,629.92 = 1,858.38/x
  3. Step 3: Cross multiply
    5,753.94x = 8,629.92 × 1,858.38
  4. Step 4: Simplify right side
    5,753.94x = 16,037,670.73
  5. Step 5: Solve for x
    x = 16,037,670.73/5,753.94
  6. Step 6: Final answer
    x = 2,787.25

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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.