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Finding the Fourth Proportional to 4,993.16, 6,890.45 and 2,754.90

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Solution

The fourth proportional to 4,993.16, 6,890.45 and 2,754.90 is: 3,801.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,993.16 : 6,890.45 = 2,754.90 : x
  2. Step 2: Convert to fraction form
    4,993.16/6,890.45 = 2,754.90/x
  3. Step 3: Cross multiply
    4,993.16x = 6,890.45 × 2,754.90
  4. Step 4: Simplify right side
    4,993.16x = 18,982,504.36
  5. Step 5: Solve for x
    x = 18,982,504.36/4,993.16
  6. Step 6: Final answer
    x = 3,801.70

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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.