Home / 4,891.24-7,335.30-2,116.14

Finding the Fourth Proportional to 4,891.24, 7,335.30 and 2,116.14

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Solution

The fourth proportional to 4,891.24, 7,335.30 and 2,116.14 is: 3,173.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,891.24 : 7,335.30 = 2,116.14 : x
  2. Step 2: Convert to fraction form
    4,891.24/7,335.30 = 2,116.14/x
  3. Step 3: Cross multiply
    4,891.24x = 7,335.30 × 2,116.14
  4. Step 4: Simplify right side
    4,891.24x = 15,522,521.74
  5. Step 5: Solve for x
    x = 15,522,521.74/4,891.24
  6. Step 6: Final answer
    x = 3,173.54

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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.