Home / 6,790.74-10,184.13-2,109.54

Finding the Fourth Proportional to 6,790.74, 10,184.13 and 2,109.54

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Solution

The fourth proportional to 6,790.74, 10,184.13 and 2,109.54 is: 3,163.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,790.74 : 10,184.13 = 2,109.54 : x
  2. Step 2: Convert to fraction form
    6,790.74/10,184.13 = 2,109.54/x
  3. Step 3: Cross multiply
    6,790.74x = 10,184.13 × 2,109.54
  4. Step 4: Simplify right side
    6,790.74x = 21,483,829.60
  5. Step 5: Solve for x
    x = 21,483,829.60/6,790.74
  6. Step 6: Final answer
    x = 3,163.69

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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.