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Finding the Fourth Proportional to 5,975.86, 8,246.89 and 3,287.20

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Solution

The fourth proportional to 5,975.86, 8,246.89 and 3,287.20 is: 4,536.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,975.86 : 8,246.89 = 3,287.20 : x
  2. Step 2: Convert to fraction form
    5,975.86/8,246.89 = 3,287.20/x
  3. Step 3: Cross multiply
    5,975.86x = 8,246.89 × 3,287.20
  4. Step 4: Simplify right side
    5,975.86x = 27,109,135.57
  5. Step 5: Solve for x
    x = 27,109,135.57/5,975.86
  6. Step 6: Final answer
    x = 4,536.44

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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.