Home / 6,477.19-9,721.26-2,581.61

Finding the Fourth Proportional to 6,477.19, 9,721.26 and 2,581.61

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Solution

The fourth proportional to 6,477.19, 9,721.26 and 2,581.61 is: 3,874.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,477.19 : 9,721.26 = 2,581.61 : x
  2. Step 2: Convert to fraction form
    6,477.19/9,721.26 = 2,581.61/x
  3. Step 3: Cross multiply
    6,477.19x = 9,721.26 × 2,581.61
  4. Step 4: Simplify right side
    6,477.19x = 25,096,453.42
  5. Step 5: Solve for x
    x = 25,096,453.42/6,477.19
  6. Step 6: Final answer
    x = 3,874.59

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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.