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Finding the Fourth Proportional to 3,952.98, 5,451.03 and 3,395.30

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Solution

The fourth proportional to 3,952.98, 5,451.03 and 3,395.30 is: 4,682.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,952.98 : 5,451.03 = 3,395.30 : x
  2. Step 2: Convert to fraction form
    3,952.98/5,451.03 = 3,395.30/x
  3. Step 3: Cross multiply
    3,952.98x = 5,451.03 × 3,395.30
  4. Step 4: Simplify right side
    3,952.98x = 18,507,882.16
  5. Step 5: Solve for x
    x = 18,507,882.16/3,952.98
  6. Step 6: Final answer
    x = 4,682.01

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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.