Home / 6,550.91-9,040.07-3,679.56

Finding the Fourth Proportional to 6,550.91, 9,040.07 and 3,679.56

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Solution

The fourth proportional to 6,550.91, 9,040.07 and 3,679.56 is: 5,077.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,550.91 : 9,040.07 = 3,679.56 : x
  2. Step 2: Convert to fraction form
    6,550.91/9,040.07 = 3,679.56/x
  3. Step 3: Cross multiply
    6,550.91x = 9,040.07 × 3,679.56
  4. Step 4: Simplify right side
    6,550.91x = 33,263,461.57
  5. Step 5: Solve for x
    x = 33,263,461.57/6,550.91
  6. Step 6: Final answer
    x = 5,077.69

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.