Home / 6,414.20-9,620.40-2,032.10

Finding the Fourth Proportional to 6,414.20, 9,620.40 and 2,032.10

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Solution

The fourth proportional to 6,414.20, 9,620.40 and 2,032.10 is: 3,047.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,414.20 : 9,620.40 = 2,032.10 : x
  2. Step 2: Convert to fraction form
    6,414.20/9,620.40 = 2,032.10/x
  3. Step 3: Cross multiply
    6,414.20x = 9,620.40 × 2,032.10
  4. Step 4: Simplify right side
    6,414.20x = 19,549,614.84
  5. Step 5: Solve for x
    x = 19,549,614.84/6,414.20
  6. Step 6: Final answer
    x = 3,047.86

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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.