Home / 4,069.81-5,617.44-2,391.75

Finding the Fourth Proportional to 4,069.81, 5,617.44 and 2,391.75

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Solution

The fourth proportional to 4,069.81, 5,617.44 and 2,391.75 is: 3,301.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,069.81 : 5,617.44 = 2,391.75 : x
  2. Step 2: Convert to fraction form
    4,069.81/5,617.44 = 2,391.75/x
  3. Step 3: Cross multiply
    4,069.81x = 5,617.44 × 2,391.75
  4. Step 4: Simplify right side
    4,069.81x = 13,435,531.84
  5. Step 5: Solve for x
    x = 13,435,531.84/4,069.81
  6. Step 6: Final answer
    x = 3,301.27

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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.