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Finding the Fourth Proportional to 3,338.83, 5,007.43 and 1,777.42

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Solution

The fourth proportional to 3,338.83, 5,007.43 and 1,777.42 is: 2,665.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,338.83 : 5,007.43 = 1,777.42 : x
  2. Step 2: Convert to fraction form
    3,338.83/5,007.43 = 1,777.42/x
  3. Step 3: Cross multiply
    3,338.83x = 5,007.43 × 1,777.42
  4. Step 4: Simplify right side
    3,338.83x = 8,900,306.23
  5. Step 5: Solve for x
    x = 8,900,306.23/3,338.83
  6. Step 6: Final answer
    x = 2,665.70

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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.