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Finding the Fourth Proportional to 5,039.88, 6,954.24 and 2,914.62

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Solution

The fourth proportional to 5,039.88, 6,954.24 and 2,914.62 is: 4,021.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,039.88 : 6,954.24 = 2,914.62 : x
  2. Step 2: Convert to fraction form
    5,039.88/6,954.24 = 2,914.62/x
  3. Step 3: Cross multiply
    5,039.88x = 6,954.24 × 2,914.62
  4. Step 4: Simplify right side
    5,039.88x = 20,268,966.99
  5. Step 5: Solve for x
    x = 20,268,966.99/5,039.88
  6. Step 6: Final answer
    x = 4,021.72

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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.