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Finding the Fourth Proportional to 2,770.93, 4,156.88 and 1,384.01

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Solution

The fourth proportional to 2,770.93, 4,156.88 and 1,384.01 is: 2,076.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,770.93 : 4,156.88 = 1,384.01 : x
  2. Step 2: Convert to fraction form
    2,770.93/4,156.88 = 1,384.01/x
  3. Step 3: Cross multiply
    2,770.93x = 4,156.88 × 1,384.01
  4. Step 4: Simplify right side
    2,770.93x = 5,753,163.49
  5. Step 5: Solve for x
    x = 5,753,163.49/2,770.93
  6. Step 6: Final answer
    x = 2,076.26

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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.