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Finding the Fourth Proportional to 5,070.97, 6,997.43 and 2,917.46

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Solution

The fourth proportional to 5,070.97, 6,997.43 and 2,917.46 is: 4,025.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,070.97 : 6,997.43 = 2,917.46 : x
  2. Step 2: Convert to fraction form
    5,070.97/6,997.43 = 2,917.46/x
  3. Step 3: Cross multiply
    5,070.97x = 6,997.43 × 2,917.46
  4. Step 4: Simplify right side
    5,070.97x = 20,414,672.55
  5. Step 5: Solve for x
    x = 20,414,672.55/5,070.97
  6. Step 6: Final answer
    x = 4,025.79

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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.