Home / 6,414.59-9,621.79-2,031.99

Finding the Fourth Proportional to 6,414.59, 9,621.79 and 2,031.99

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Solution

The fourth proportional to 6,414.59, 9,621.79 and 2,031.99 is: 3,047.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,414.59 : 9,621.79 = 2,031.99 : x
  2. Step 2: Convert to fraction form
    6,414.59/9,621.79 = 2,031.99/x
  3. Step 3: Cross multiply
    6,414.59x = 9,621.79 × 2,031.99
  4. Step 4: Simplify right side
    6,414.59x = 19,551,339.90
  5. Step 5: Solve for x
    x = 19,551,339.90/6,414.59
  6. Step 6: Final answer
    x = 3,047.95

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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.