Home / 3,751.19-5,619.62-2,102.75

Finding the Fourth Proportional to 3,751.19, 5,619.62 and 2,102.75

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Solution

The fourth proportional to 3,751.19, 5,619.62 and 2,102.75 is: 3,150.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,751.19 : 5,619.62 = 2,102.75 : x
  2. Step 2: Convert to fraction form
    3,751.19/5,619.62 = 2,102.75/x
  3. Step 3: Cross multiply
    3,751.19x = 5,619.62 × 2,102.75
  4. Step 4: Simplify right side
    3,751.19x = 11,816,617.34
  5. Step 5: Solve for x
    x = 11,816,617.34/3,751.19
  6. Step 6: Final answer
    x = 3,150.10

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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.