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Finding the Fourth Proportional to 3,192.75, 4,406.00 and 1,795.50

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Solution

The fourth proportional to 3,192.75, 4,406.00 and 1,795.50 is: 2,477.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,192.75 : 4,406.00 = 1,795.50 : x
  2. Step 2: Convert to fraction form
    3,192.75/4,406.00 = 1,795.50/x
  3. Step 3: Cross multiply
    3,192.75x = 4,406.00 × 1,795.50
  4. Step 4: Simplify right side
    3,192.75x = 7,910,964.02
  5. Step 5: Solve for x
    x = 7,910,964.02/3,192.75
  6. Step 6: Final answer
    x = 2,477.79

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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.