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Finding the Fourth Proportional to 2,930.92, 4,044.54 and 1,604.68

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Solution

The fourth proportional to 2,930.92, 4,044.54 and 1,604.68 is: 2,214.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,930.92 : 4,044.54 = 1,604.68 : x
  2. Step 2: Convert to fraction form
    2,930.92/4,044.54 = 1,604.68/x
  3. Step 3: Cross multiply
    2,930.92x = 4,044.54 × 1,604.68
  4. Step 4: Simplify right side
    2,930.92x = 6,490,192.45
  5. Step 5: Solve for x
    x = 6,490,192.45/2,930.92
  6. Step 6: Final answer
    x = 2,214.39

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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.