Home / 5,350.64-7,383.91-2,992.78

Finding the Fourth Proportional to 5,350.64, 7,383.91 and 2,992.78

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Solution

The fourth proportional to 5,350.64, 7,383.91 and 2,992.78 is: 4,130.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,350.64 : 7,383.91 = 2,992.78 : x
  2. Step 2: Convert to fraction form
    5,350.64/7,383.91 = 2,992.78/x
  3. Step 3: Cross multiply
    5,350.64x = 7,383.91 × 2,992.78
  4. Step 4: Simplify right side
    5,350.64x = 22,098,425.53
  5. Step 5: Solve for x
    x = 22,098,425.53/5,350.64
  6. Step 6: Final answer
    x = 4,130.05

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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.