Home / 6,581.10-9,872.88-2,198.58

Finding the Fourth Proportional to 6,581.10, 9,872.88 and 2,198.58

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Solution

The fourth proportional to 6,581.10, 9,872.88 and 2,198.58 is: 3,298.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,581.10 : 9,872.88 = 2,198.58 : x
  2. Step 2: Convert to fraction form
    6,581.10/9,872.88 = 2,198.58/x
  3. Step 3: Cross multiply
    6,581.10x = 9,872.88 × 2,198.58
  4. Step 4: Simplify right side
    6,581.10x = 21,706,316.51
  5. Step 5: Solve for x
    x = 21,706,316.51/6,581.10
  6. Step 6: Final answer
    x = 3,298.28

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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.