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Finding the Fourth Proportional to 5,304.31, 7,320.07 and 2,914.41

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Solution

The fourth proportional to 5,304.31, 7,320.07 and 2,914.41 is: 4,021.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,304.31 : 7,320.07 = 2,914.41 : x
  2. Step 2: Convert to fraction form
    5,304.31/7,320.07 = 2,914.41/x
  3. Step 3: Cross multiply
    5,304.31x = 7,320.07 × 2,914.41
  4. Step 4: Simplify right side
    5,304.31x = 21,333,654.54
  5. Step 5: Solve for x
    x = 21,333,654.54/5,304.31
  6. Step 6: Final answer
    x = 4,021.95

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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.