Home / 5,219.10-7,832.43-1,932.66

Finding the Fourth Proportional to 5,219.10, 7,832.43 and 1,932.66

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Solution

The fourth proportional to 5,219.10, 7,832.43 and 1,932.66 is: 2,900.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,219.10 : 7,832.43 = 1,932.66 : x
  2. Step 2: Convert to fraction form
    5,219.10/7,832.43 = 1,932.66/x
  3. Step 3: Cross multiply
    5,219.10x = 7,832.43 × 1,932.66
  4. Step 4: Simplify right side
    5,219.10x = 15,137,424.16
  5. Step 5: Solve for x
    x = 15,137,424.16/5,219.10
  6. Step 6: Final answer
    x = 2,900.39

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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.