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Finding the Fourth Proportional to 3,886.83, 5,800.37 and 3,864.65

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Solution

The fourth proportional to 3,886.83, 5,800.37 and 3,864.65 is: 5,767.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,886.83 : 5,800.37 = 3,864.65 : x
  2. Step 2: Convert to fraction form
    3,886.83/5,800.37 = 3,864.65/x
  3. Step 3: Cross multiply
    3,886.83x = 5,800.37 × 3,864.65
  4. Step 4: Simplify right side
    3,886.83x = 22,416,351.60
  5. Step 5: Solve for x
    x = 22,416,351.60/3,886.83
  6. Step 6: Final answer
    x = 5,767.26

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.