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Finding the Fourth Proportional to 3,946.04, 5,919.04 and 1,607.31

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Solution

The fourth proportional to 3,946.04, 5,919.04 and 1,607.31 is: 2,410.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,946.04 : 5,919.04 = 1,607.31 : x
  2. Step 2: Convert to fraction form
    3,946.04/5,919.04 = 1,607.31/x
  3. Step 3: Cross multiply
    3,946.04x = 5,919.04 × 1,607.31
  4. Step 4: Simplify right side
    3,946.04x = 9,513,732.18
  5. Step 5: Solve for x
    x = 9,513,732.18/3,946.04
  6. Step 6: Final answer
    x = 2,410.96

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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.