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Finding the Fourth Proportional to 2,798.42, 4,197.83 and 1,154.52

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Solution

The fourth proportional to 2,798.42, 4,197.83 and 1,154.52 is: 1,731.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,798.42 : 4,197.83 = 1,154.52 : x
  2. Step 2: Convert to fraction form
    2,798.42/4,197.83 = 1,154.52/x
  3. Step 3: Cross multiply
    2,798.42x = 4,197.83 × 1,154.52
  4. Step 4: Simplify right side
    2,798.42x = 4,846,472.92
  5. Step 5: Solve for x
    x = 4,846,472.92/2,798.42
  6. Step 6: Final answer
    x = 1,731.86

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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.