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Finding the Fourth Proportional to 5,297.06, 7,304.92 and 3,860.12

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Solution

The fourth proportional to 5,297.06, 7,304.92 and 3,860.12 is: 5,323.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,297.06 : 7,304.92 = 3,860.12 : x
  2. Step 2: Convert to fraction form
    5,297.06/7,304.92 = 3,860.12/x
  3. Step 3: Cross multiply
    5,297.06x = 7,304.92 × 3,860.12
  4. Step 4: Simplify right side
    5,297.06x = 28,197,876.40
  5. Step 5: Solve for x
    x = 28,197,876.40/5,297.06
  6. Step 6: Final answer
    x = 5,323.30

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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.