Home / 3,102.97-4,656.53-1,155.37

Finding the Fourth Proportional to 3,102.97, 4,656.53 and 1,155.37

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Solution

The fourth proportional to 3,102.97, 4,656.53 and 1,155.37 is: 1,733.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,102.97 : 4,656.53 = 1,155.37 : x
  2. Step 2: Convert to fraction form
    3,102.97/4,656.53 = 1,155.37/x
  3. Step 3: Cross multiply
    3,102.97x = 4,656.53 × 1,155.37
  4. Step 4: Simplify right side
    3,102.97x = 5,380,009.29
  5. Step 5: Solve for x
    x = 5,380,009.29/3,102.97
  6. Step 6: Final answer
    x = 1,733.83

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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.