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Finding the Fourth Proportional to 4,941.36, 7,410.24 and 2,167.92

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Solution

The fourth proportional to 4,941.36, 7,410.24 and 2,167.92 is: 3,251.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,941.36 : 7,410.24 = 2,167.92 : x
  2. Step 2: Convert to fraction form
    4,941.36/7,410.24 = 2,167.92/x
  3. Step 3: Cross multiply
    4,941.36x = 7,410.24 × 2,167.92
  4. Step 4: Simplify right side
    4,941.36x = 16,064,807.50
  5. Step 5: Solve for x
    x = 16,064,807.50/4,941.36
  6. Step 6: Final answer
    x = 3,251.09

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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.