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Finding the Fourth Proportional to 4,955.87, 6,839.15 and 2,717.96

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Solution

The fourth proportional to 4,955.87, 6,839.15 and 2,717.96 is: 3,750.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,955.87 : 6,839.15 = 2,717.96 : x
  2. Step 2: Convert to fraction form
    4,955.87/6,839.15 = 2,717.96/x
  3. Step 3: Cross multiply
    4,955.87x = 6,839.15 × 2,717.96
  4. Step 4: Simplify right side
    4,955.87x = 18,588,488.35
  5. Step 5: Solve for x
    x = 18,588,488.35/4,955.87
  6. Step 6: Final answer
    x = 3,750.80

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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.