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Finding the Fourth Proportional to 3,807.65, 5,252.96 and 2,966.89

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Solution

The fourth proportional to 3,807.65, 5,252.96 and 2,966.89 is: 4,093.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,807.65 : 5,252.96 = 2,966.89 : x
  2. Step 2: Convert to fraction form
    3,807.65/5,252.96 = 2,966.89/x
  3. Step 3: Cross multiply
    3,807.65x = 5,252.96 × 2,966.89
  4. Step 4: Simplify right side
    3,807.65x = 15,584,957.35
  5. Step 5: Solve for x
    x = 15,584,957.35/3,807.65
  6. Step 6: Final answer
    x = 4,093.07

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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.