Home / 5,519.29-7,619.31-3,841.99

Finding the Fourth Proportional to 5,519.29, 7,619.31 and 3,841.99

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Solution

The fourth proportional to 5,519.29, 7,619.31 and 3,841.99 is: 5,303.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,519.29 : 7,619.31 = 3,841.99 : x
  2. Step 2: Convert to fraction form
    5,519.29/7,619.31 = 3,841.99/x
  3. Step 3: Cross multiply
    5,519.29x = 7,619.31 × 3,841.99
  4. Step 4: Simplify right side
    5,519.29x = 29,273,312.83
  5. Step 5: Solve for x
    x = 29,273,312.83/5,519.29
  6. Step 6: Final answer
    x = 5,303.82

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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.