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Finding the Fourth Proportional to 4,305.87, 5,939.33 and 2,960.87

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Solution

The fourth proportional to 4,305.87, 5,939.33 and 2,960.87 is: 4,084.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,305.87 : 5,939.33 = 2,960.87 : x
  2. Step 2: Convert to fraction form
    4,305.87/5,939.33 = 2,960.87/x
  3. Step 3: Cross multiply
    4,305.87x = 5,939.33 × 2,960.87
  4. Step 4: Simplify right side
    4,305.87x = 17,585,539.52
  5. Step 5: Solve for x
    x = 17,585,539.52/4,305.87
  6. Step 6: Final answer
    x = 4,084.09

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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.