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Finding the Fourth Proportional to 5,687.14, 7,848.06 and 3,169.26

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Solution

The fourth proportional to 5,687.14, 7,848.06 and 3,169.26 is: 4,373.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,687.14 : 7,848.06 = 3,169.26 : x
  2. Step 2: Convert to fraction form
    5,687.14/7,848.06 = 3,169.26/x
  3. Step 3: Cross multiply
    5,687.14x = 7,848.06 × 3,169.26
  4. Step 4: Simplify right side
    5,687.14x = 24,872,542.64
  5. Step 5: Solve for x
    x = 24,872,542.64/5,687.14
  6. Step 6: Final answer
    x = 4,373.47

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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.