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Finding the Fourth Proportional to 3,143.04, 4,713 and 951.24

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Solution

The fourth proportional to 3,143.04, 4,713 and 951.24 is: 1,426.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,143.04 : 4,713 = 951.24 : x
  2. Step 2: Convert to fraction form
    3,143.04/4,713 = 951.24/x
  3. Step 3: Cross multiply
    3,143.04x = 4,713 × 951.24
  4. Step 4: Simplify right side
    3,143.04x = 4,483,194.12
  5. Step 5: Solve for x
    x = 4,483,194.12/3,143.04
  6. Step 6: Final answer
    x = 1,426.39

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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.