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Finding the Fourth Proportional to 5,998.38, 9,000.80 and 2,920.38

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Solution

The fourth proportional to 5,998.38, 9,000.80 and 2,920.38 is: 4,382.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,998.38 : 9,000.80 = 2,920.38 : x
  2. Step 2: Convert to fraction form
    5,998.38/9,000.80 = 2,920.38/x
  3. Step 3: Cross multiply
    5,998.38x = 9,000.80 × 2,920.38
  4. Step 4: Simplify right side
    5,998.38x = 26,285,756.30
  5. Step 5: Solve for x
    x = 26,285,756.30/5,998.38
  6. Step 6: Final answer
    x = 4,382.14

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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.