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Finding the Fourth Proportional to 5,076.75, 7,006.04 and 2,839.01

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Solution

The fourth proportional to 5,076.75, 7,006.04 and 2,839.01 is: 3,917.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,076.75 : 7,006.04 = 2,839.01 : x
  2. Step 2: Convert to fraction form
    5,076.75/7,006.04 = 2,839.01/x
  3. Step 3: Cross multiply
    5,076.75x = 7,006.04 × 2,839.01
  4. Step 4: Simplify right side
    5,076.75x = 19,890,168.40
  5. Step 5: Solve for x
    x = 19,890,168.40/5,076.75
  6. Step 6: Final answer
    x = 3,917.89

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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.