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Finding the Fourth Proportional to 4,922.87, 6,793.30 and 2,798.34

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Solution

The fourth proportional to 4,922.87, 6,793.30 and 2,798.34 is: 3,861.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,922.87 : 6,793.30 = 2,798.34 : x
  2. Step 2: Convert to fraction form
    4,922.87/6,793.30 = 2,798.34/x
  3. Step 3: Cross multiply
    4,922.87x = 6,793.30 × 2,798.34
  4. Step 4: Simplify right side
    4,922.87x = 19,009,963.12
  5. Step 5: Solve for x
    x = 19,009,963.12/4,922.87
  6. Step 6: Final answer
    x = 3,861.56

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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.