Home / 5,618.92-8,428.30-2,498.10

Finding the Fourth Proportional to 5,618.92, 8,428.30 and 2,498.10

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Solution

The fourth proportional to 5,618.92, 8,428.30 and 2,498.10 is: 3,747.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,618.92 : 8,428.30 = 2,498.10 : x
  2. Step 2: Convert to fraction form
    5,618.92/8,428.30 = 2,498.10/x
  3. Step 3: Cross multiply
    5,618.92x = 8,428.30 × 2,498.10
  4. Step 4: Simplify right side
    5,618.92x = 21,054,736.23
  5. Step 5: Solve for x
    x = 21,054,736.23/5,618.92
  6. Step 6: Final answer
    x = 3,747.11

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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.