Home / 3,718.86-5,132.07-2,322.42

Finding the Fourth Proportional to 3,718.86, 5,132.07 and 2,322.42

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Solution

The fourth proportional to 3,718.86, 5,132.07 and 2,322.42 is: 3,204.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,718.86 : 5,132.07 = 2,322.42 : x
  2. Step 2: Convert to fraction form
    3,718.86/5,132.07 = 2,322.42/x
  3. Step 3: Cross multiply
    3,718.86x = 5,132.07 × 2,322.42
  4. Step 4: Simplify right side
    3,718.86x = 11,918,822.01
  5. Step 5: Solve for x
    x = 11,918,822.01/3,718.86
  6. Step 6: Final answer
    x = 3,204.97

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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.