Home / 5,351.29-7,385.04-2,992.96

Finding the Fourth Proportional to 5,351.29, 7,385.04 and 2,992.96

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Solution

The fourth proportional to 5,351.29, 7,385.04 and 2,992.96 is: 4,130.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,351.29 : 7,385.04 = 2,992.96 : x
  2. Step 2: Convert to fraction form
    5,351.29/7,385.04 = 2,992.96/x
  3. Step 3: Cross multiply
    5,351.29x = 7,385.04 × 2,992.96
  4. Step 4: Simplify right side
    5,351.29x = 22,103,129.32
  5. Step 5: Solve for x
    x = 22,103,129.32/5,351.29
  6. Step 6: Final answer
    x = 4,130.43

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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.