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Finding the Fourth Proportional to 5,010.87, 6,914.46 and 2,772.39

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Solution

The fourth proportional to 5,010.87, 6,914.46 and 2,772.39 is: 3,825.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,010.87 : 6,914.46 = 2,772.39 : x
  2. Step 2: Convert to fraction form
    5,010.87/6,914.46 = 2,772.39/x
  3. Step 3: Cross multiply
    5,010.87x = 6,914.46 × 2,772.39
  4. Step 4: Simplify right side
    5,010.87x = 19,169,579.76
  5. Step 5: Solve for x
    x = 19,169,579.76/5,010.87
  6. Step 6: Final answer
    x = 3,825.60

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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.