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Finding the Fourth Proportional to 3,289.34, 4,539.13 and 1,796.99

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Solution

The fourth proportional to 3,289.34, 4,539.13 and 1,796.99 is: 2,479.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,289.34 : 4,539.13 = 1,796.99 : x
  2. Step 2: Convert to fraction form
    3,289.34/4,539.13 = 1,796.99/x
  3. Step 3: Cross multiply
    3,289.34x = 4,539.13 × 1,796.99
  4. Step 4: Simplify right side
    3,289.34x = 8,156,744.03
  5. Step 5: Solve for x
    x = 8,156,744.03/3,289.34
  6. Step 6: Final answer
    x = 2,479.75

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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.