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Finding the Fourth Proportional to 3,807.73, 5,706.55 and 1,613.73

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Solution

The fourth proportional to 3,807.73, 5,706.55 and 1,613.73 is: 2,418.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,807.73 : 5,706.55 = 1,613.73 : x
  2. Step 2: Convert to fraction form
    3,807.73/5,706.55 = 1,613.73/x
  3. Step 3: Cross multiply
    3,807.73x = 5,706.55 × 1,613.73
  4. Step 4: Simplify right side
    3,807.73x = 9,208,830.93
  5. Step 5: Solve for x
    x = 9,208,830.93/3,807.73
  6. Step 6: Final answer
    x = 2,418.46

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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.