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Finding the Fourth Proportional to 3,794.91, 5,690.99 and 1,603.81

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Solution

The fourth proportional to 3,794.91, 5,690.99 and 1,603.81 is: 2,405.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,794.91 : 5,690.99 = 1,603.81 : x
  2. Step 2: Convert to fraction form
    3,794.91/5,690.99 = 1,603.81/x
  3. Step 3: Cross multiply
    3,794.91x = 5,690.99 × 1,603.81
  4. Step 4: Simplify right side
    3,794.91x = 9,127,261.79
  5. Step 5: Solve for x
    x = 9,127,261.79/3,794.91
  6. Step 6: Final answer
    x = 2,405.13

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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.