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Finding the Fourth Proportional to 3,953.31, 5,928.13 and 2,310.36

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Solution

The fourth proportional to 3,953.31, 5,928.13 and 2,310.36 is: 3,464.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,953.31 : 5,928.13 = 2,310.36 : x
  2. Step 2: Convert to fraction form
    3,953.31/5,928.13 = 2,310.36/x
  3. Step 3: Cross multiply
    3,953.31x = 5,928.13 × 2,310.36
  4. Step 4: Simplify right side
    3,953.31x = 13,696,114.43
  5. Step 5: Solve for x
    x = 13,696,114.43/3,953.31
  6. Step 6: Final answer
    x = 3,464.47

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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.