Home / 6,454.09-9,682.49-2,011.65

Finding the Fourth Proportional to 6,454.09, 9,682.49 and 2,011.65

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Solution

The fourth proportional to 6,454.09, 9,682.49 and 2,011.65 is: 3,017.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,454.09 : 9,682.49 = 2,011.65 : x
  2. Step 2: Convert to fraction form
    6,454.09/9,682.49 = 2,011.65/x
  3. Step 3: Cross multiply
    6,454.09x = 9,682.49 × 2,011.65
  4. Step 4: Simplify right side
    6,454.09x = 19,477,781.01
  5. Step 5: Solve for x
    x = 19,477,781.01/6,454.09
  6. Step 6: Final answer
    x = 3,017.90

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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.