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Finding the Fourth Proportional to 4,797.93, 7,197.81 and 1,678.82

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Solution

The fourth proportional to 4,797.93, 7,197.81 and 1,678.82 is: 2,518.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,797.93 : 7,197.81 = 1,678.82 : x
  2. Step 2: Convert to fraction form
    4,797.93/7,197.81 = 1,678.82/x
  3. Step 3: Cross multiply
    4,797.93x = 7,197.81 × 1,678.82
  4. Step 4: Simplify right side
    4,797.93x = 12,083,845.38
  5. Step 5: Solve for x
    x = 12,083,845.38/4,797.93
  6. Step 6: Final answer
    x = 2,518.55

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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.