Home / 3,078.52-4,591.01-2,906.02

Finding the Fourth Proportional to 3,078.52, 4,591.01 and 2,906.02

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Solution

The fourth proportional to 3,078.52, 4,591.01 and 2,906.02 is: 4,333.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,078.52 : 4,591.01 = 2,906.02 : x
  2. Step 2: Convert to fraction form
    3,078.52/4,591.01 = 2,906.02/x
  3. Step 3: Cross multiply
    3,078.52x = 4,591.01 × 2,906.02
  4. Step 4: Simplify right side
    3,078.52x = 13,341,566.88
  5. Step 5: Solve for x
    x = 13,341,566.88/3,078.52
  6. Step 6: Final answer
    x = 4,333.76

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.