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Finding the Fourth Proportional to 3,358.92, 5,039.73 and 1,508.79

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Solution

The fourth proportional to 3,358.92, 5,039.73 and 1,508.79 is: 2,263.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,358.92 : 5,039.73 = 1,508.79 : x
  2. Step 2: Convert to fraction form
    3,358.92/5,039.73 = 1,508.79/x
  3. Step 3: Cross multiply
    3,358.92x = 5,039.73 × 1,508.79
  4. Step 4: Simplify right side
    3,358.92x = 7,603,894.23
  5. Step 5: Solve for x
    x = 7,603,894.23/3,358.92
  6. Step 6: Final answer
    x = 2,263.79

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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.