Home / 6,502.18-9,751.41-2,120.02

Finding the Fourth Proportional to 6,502.18, 9,751.41 and 2,120.02

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Solution

The fourth proportional to 6,502.18, 9,751.41 and 2,120.02 is: 3,179.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,502.18 : 9,751.41 = 2,120.02 : x
  2. Step 2: Convert to fraction form
    6,502.18/9,751.41 = 2,120.02/x
  3. Step 3: Cross multiply
    6,502.18x = 9,751.41 × 2,120.02
  4. Step 4: Simplify right side
    6,502.18x = 20,673,184.23
  5. Step 5: Solve for x
    x = 20,673,184.23/6,502.18
  6. Step 6: Final answer
    x = 3,179.42

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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.