Home / 2,313.68-3,467.64-1,079.48

Finding the Fourth Proportional to 2,313.68, 3,467.64 and 1,079.48

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Solution

The fourth proportional to 2,313.68, 3,467.64 and 1,079.48 is: 1,617.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,313.68 : 3,467.64 = 1,079.48 : x
  2. Step 2: Convert to fraction form
    2,313.68/3,467.64 = 1,079.48/x
  3. Step 3: Cross multiply
    2,313.68x = 3,467.64 × 1,079.48
  4. Step 4: Simplify right side
    2,313.68x = 3,743,248.03
  5. Step 5: Solve for x
    x = 3,743,248.03/2,313.68
  6. Step 6: Final answer
    x = 1,617.88

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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.