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Finding the Fourth Proportional to 3,650, 5,037.01 and 2,078.10

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Solution

The fourth proportional to 3,650, 5,037.01 and 2,078.10 is: 2,867.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,650 : 5,037.01 = 2,078.10 : x
  2. Step 2: Convert to fraction form
    3,650/5,037.01 = 2,078.10/x
  3. Step 3: Cross multiply
    3,650x = 5,037.01 × 2,078.10
  4. Step 4: Simplify right side
    3,650x = 10,467,374.91
  5. Step 5: Solve for x
    x = 10,467,374.91/3,650
  6. Step 6: Final answer
    x = 2,867.77

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.