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Finding the Fourth Proportional to 3,642.62, 5,462.01 and 1,589.50

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Solution

The fourth proportional to 3,642.62, 5,462.01 and 1,589.50 is: 2,383.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,642.62 : 5,462.01 = 1,589.50 : x
  2. Step 2: Convert to fraction form
    3,642.62/5,462.01 = 1,589.50/x
  3. Step 3: Cross multiply
    3,642.62x = 5,462.01 × 1,589.50
  4. Step 4: Simplify right side
    3,642.62x = 8,681,864.90
  5. Step 5: Solve for x
    x = 8,681,864.90/3,642.62
  6. Step 6: Final answer
    x = 2,383.41

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1.5x scale

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.