Home / 4,079.25-5,629.37-2,311.02

Finding the Fourth Proportional to 4,079.25, 5,629.37 and 2,311.02

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Solution

The fourth proportional to 4,079.25, 5,629.37 and 2,311.02 is: 3,189.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,079.25 : 5,629.37 = 2,311.02 : x
  2. Step 2: Convert to fraction form
    4,079.25/5,629.37 = 2,311.02/x
  3. Step 3: Cross multiply
    4,079.25x = 5,629.37 × 2,311.02
  4. Step 4: Simplify right side
    4,079.25x = 13,009,575.10
  5. Step 5: Solve for x
    x = 13,009,575.10/4,079.25
  6. Step 6: Final answer
    x = 3,189.21

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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.