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Finding the Fourth Proportional to 5,252.57, 7,880.29 and 2,753.92

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Solution

The fourth proportional to 5,252.57, 7,880.29 and 2,753.92 is: 4,131.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,252.57 : 7,880.29 = 2,753.92 : x
  2. Step 2: Convert to fraction form
    5,252.57/7,880.29 = 2,753.92/x
  3. Step 3: Cross multiply
    5,252.57x = 7,880.29 × 2,753.92
  4. Step 4: Simplify right side
    5,252.57x = 21,701,661.65
  5. Step 5: Solve for x
    x = 21,701,661.65/5,252.57
  6. Step 6: Final answer
    x = 4,131.63

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.