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Finding the Fourth Proportional to 3,695.71, 5,095.22 and 2,845.92

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Solution

The fourth proportional to 3,695.71, 5,095.22 and 2,845.92 is: 3,923.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,695.71 : 5,095.22 = 2,845.92 : x
  2. Step 2: Convert to fraction form
    3,695.71/5,095.22 = 2,845.92/x
  3. Step 3: Cross multiply
    3,695.71x = 5,095.22 × 2,845.92
  4. Step 4: Simplify right side
    3,695.71x = 14,500,588.50
  5. Step 5: Solve for x
    x = 14,500,588.50/3,695.71
  6. Step 6: Final answer
    x = 3,923.63

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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.