Home / 2,313.11-3,468.61-669.27

Finding the Fourth Proportional to 2,313.11, 3,468.61 and 669.27

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Solution

The fourth proportional to 2,313.11, 3,468.61 and 669.27 is: 1,003.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,313.11 : 3,468.61 = 669.27 : x
  2. Step 2: Convert to fraction form
    2,313.11/3,468.61 = 669.27/x
  3. Step 3: Cross multiply
    2,313.11x = 3,468.61 × 669.27
  4. Step 4: Simplify right side
    2,313.11x = 2,321,427.18
  5. Step 5: Solve for x
    x = 2,321,427.18/2,313.11
  6. Step 6: Final answer
    x = 1,003.59

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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.