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Finding the Fourth Proportional to 3,957.32, 5,935.14 and 1,325.03

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Solution

The fourth proportional to 3,957.32, 5,935.14 and 1,325.03 is: 1,987.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,957.32 : 5,935.14 = 1,325.03 : x
  2. Step 2: Convert to fraction form
    3,957.32/5,935.14 = 1,325.03/x
  3. Step 3: Cross multiply
    3,957.32x = 5,935.14 × 1,325.03
  4. Step 4: Simplify right side
    3,957.32x = 7,864,208.88
  5. Step 5: Solve for x
    x = 7,864,208.88/3,957.32
  6. Step 6: Final answer
    x = 1,987.25

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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.