Home / 6,550.20-9,031.86-5,920.56

Finding the Fourth Proportional to 6,550.20, 9,031.86 and 5,920.56

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Solution

The fourth proportional to 6,550.20, 9,031.86 and 5,920.56 is: 8,163.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,550.20 : 9,031.86 = 5,920.56 : x
  2. Step 2: Convert to fraction form
    6,550.20/9,031.86 = 5,920.56/x
  3. Step 3: Cross multiply
    6,550.20x = 9,031.86 × 5,920.56
  4. Step 4: Simplify right side
    6,550.20x = 53,473,669.04
  5. Step 5: Solve for x
    x = 53,473,669.04/6,550.20
  6. Step 6: Final answer
    x = 8,163.67

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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.