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Finding the Fourth Proportional to 3,600.86, 4,971.04 and 2,275.94

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Solution

The fourth proportional to 3,600.86, 4,971.04 and 2,275.94 is: 3,141.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,600.86 : 4,971.04 = 2,275.94 : x
  2. Step 2: Convert to fraction form
    3,600.86/4,971.04 = 2,275.94/x
  3. Step 3: Cross multiply
    3,600.86x = 4,971.04 × 2,275.94
  4. Step 4: Simplify right side
    3,600.86x = 11,313,788.78
  5. Step 5: Solve for x
    x = 11,313,788.78/3,600.86
  6. Step 6: Final answer
    x = 3,141.97

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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.