Home / 6,479.02-9,718.49-2,586.14

Finding the Fourth Proportional to 6,479.02, 9,718.49 and 2,586.14

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Solution

The fourth proportional to 6,479.02, 9,718.49 and 2,586.14 is: 3,879.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,479.02 : 9,718.49 = 2,586.14 : x
  2. Step 2: Convert to fraction form
    6,479.02/9,718.49 = 2,586.14/x
  3. Step 3: Cross multiply
    6,479.02x = 9,718.49 × 2,586.14
  4. Step 4: Simplify right side
    6,479.02x = 25,133,375.73
  5. Step 5: Solve for x
    x = 25,133,375.73/6,479.02
  6. Step 6: Final answer
    x = 3,879.19

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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.