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Finding the Fourth Proportional to 5,000.10, 6,900.15 and 2,761.94

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Solution

The fourth proportional to 5,000.10, 6,900.15 and 2,761.94 is: 3,811.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,000.10 : 6,900.15 = 2,761.94 : x
  2. Step 2: Convert to fraction form
    5,000.10/6,900.15 = 2,761.94/x
  3. Step 3: Cross multiply
    5,000.10x = 6,900.15 × 2,761.94
  4. Step 4: Simplify right side
    5,000.10x = 19,057,765.79
  5. Step 5: Solve for x
    x = 19,057,765.79/5,000.10
  6. Step 6: Final answer
    x = 3,811.48

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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.