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Finding the Fourth Proportional to 2,096.39, 3,144.60 and 557.39

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Solution

The fourth proportional to 2,096.39, 3,144.60 and 557.39 is: 836.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,096.39 : 3,144.60 = 557.39 : x
  2. Step 2: Convert to fraction form
    2,096.39/3,144.60 = 557.39/x
  3. Step 3: Cross multiply
    2,096.39x = 3,144.60 × 557.39
  4. Step 4: Simplify right side
    2,096.39x = 1,752,768.59
  5. Step 5: Solve for x
    x = 1,752,768.59/2,096.39
  6. Step 6: Final answer
    x = 836.09

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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.