Home / 5,169.08-7,752.28-1,881.90

Finding the Fourth Proportional to 5,169.08, 7,752.28 and 1,881.90

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Solution

The fourth proportional to 5,169.08, 7,752.28 and 1,881.90 is: 2,822.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,169.08 : 7,752.28 = 1,881.90 : x
  2. Step 2: Convert to fraction form
    5,169.08/7,752.28 = 1,881.90/x
  3. Step 3: Cross multiply
    5,169.08x = 7,752.28 × 1,881.90
  4. Step 4: Simplify right side
    5,169.08x = 14,589,015.73
  5. Step 5: Solve for x
    x = 14,589,015.73/5,169.08
  6. Step 6: Final answer
    x = 2,822.36

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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.