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Finding the Fourth Proportional to 3,910.71, 5,865.24 and 2,330.13

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Solution

The fourth proportional to 3,910.71, 5,865.24 and 2,330.13 is: 3,494.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,910.71 : 5,865.24 = 2,330.13 : x
  2. Step 2: Convert to fraction form
    3,910.71/5,865.24 = 2,330.13/x
  3. Step 3: Cross multiply
    3,910.71x = 5,865.24 × 2,330.13
  4. Step 4: Simplify right side
    3,910.71x = 13,666,771.68
  5. Step 5: Solve for x
    x = 13,666,771.68/3,910.71
  6. Step 6: Final answer
    x = 3,494.70

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.