Home / 5,942.45-8,200.30-3,289.70

Finding the Fourth Proportional to 5,942.45, 8,200.30 and 3,289.70

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Solution

The fourth proportional to 5,942.45, 8,200.30 and 3,289.70 is: 4,539.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,942.45 : 8,200.30 = 3,289.70 : x
  2. Step 2: Convert to fraction form
    5,942.45/8,200.30 = 3,289.70/x
  3. Step 3: Cross multiply
    5,942.45x = 8,200.30 × 3,289.70
  4. Step 4: Simplify right side
    5,942.45x = 26,976,526.91
  5. Step 5: Solve for x
    x = 26,976,526.91/5,942.45
  6. Step 6: Final answer
    x = 4,539.63

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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.