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Finding the Fourth Proportional to 5,043.75, 6,960.38 and 2,835.75

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Solution

The fourth proportional to 5,043.75, 6,960.38 and 2,835.75 is: 3,913.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,043.75 : 6,960.38 = 2,835.75 : x
  2. Step 2: Convert to fraction form
    5,043.75/6,960.38 = 2,835.75/x
  3. Step 3: Cross multiply
    5,043.75x = 6,960.38 × 2,835.75
  4. Step 4: Simplify right side
    5,043.75x = 19,737,883.41
  5. Step 5: Solve for x
    x = 19,737,883.41/5,043.75
  6. Step 6: Final answer
    x = 3,913.34

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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.