Home / 6,277.76-9,419.69-2,581.10

Finding the Fourth Proportional to 6,277.76, 9,419.69 and 2,581.10

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Solution

The fourth proportional to 6,277.76, 9,419.69 and 2,581.10 is: 3,872.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,277.76 : 9,419.69 = 2,581.10 : x
  2. Step 2: Convert to fraction form
    6,277.76/9,419.69 = 2,581.10/x
  3. Step 3: Cross multiply
    6,277.76x = 9,419.69 × 2,581.10
  4. Step 4: Simplify right side
    6,277.76x = 24,313,121.21
  5. Step 5: Solve for x
    x = 24,313,121.21/6,277.76
  6. Step 6: Final answer
    x = 3,872.90

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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.