Home / 4,115.10-5,678.97-2,252.10

Finding the Fourth Proportional to 4,115.10, 5,678.97 and 2,252.10

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Solution

The fourth proportional to 4,115.10, 5,678.97 and 2,252.10 is: 3,107.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,115.10 : 5,678.97 = 2,252.10 : x
  2. Step 2: Convert to fraction form
    4,115.10/5,678.97 = 2,252.10/x
  3. Step 3: Cross multiply
    4,115.10x = 5,678.97 × 2,252.10
  4. Step 4: Simplify right side
    4,115.10x = 12,789,608.34
  5. Step 5: Solve for x
    x = 12,789,608.34/4,115.10
  6. Step 6: Final answer
    x = 3,107.97

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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.