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Finding the Fourth Proportional to 3,607.22, 4,978.11 and 2,035.32

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Solution

The fourth proportional to 3,607.22, 4,978.11 and 2,035.32 is: 2,808.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,607.22 : 4,978.11 = 2,035.32 : x
  2. Step 2: Convert to fraction form
    3,607.22/4,978.11 = 2,035.32/x
  3. Step 3: Cross multiply
    3,607.22x = 4,978.11 × 2,035.32
  4. Step 4: Simplify right side
    3,607.22x = 10,132,046.85
  5. Step 5: Solve for x
    x = 10,132,046.85/3,607.22
  6. Step 6: Final answer
    x = 2,808.83

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1.5x scale

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.