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Finding the Fourth Proportional to 3,796.56, 5,237.18 and 3,089.16

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Solution

The fourth proportional to 3,796.56, 5,237.18 and 3,089.16 is: 4,261.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,796.56 : 5,237.18 = 3,089.16 : x
  2. Step 2: Convert to fraction form
    3,796.56/5,237.18 = 3,089.16/x
  3. Step 3: Cross multiply
    3,796.56x = 5,237.18 × 3,089.16
  4. Step 4: Simplify right side
    3,796.56x = 16,178,486.97
  5. Step 5: Solve for x
    x = 16,178,486.97/3,796.56
  6. Step 6: Final answer
    x = 4,261.35

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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.