Home / 6,121.91-9,180.56-2,424.67

Finding the Fourth Proportional to 6,121.91, 9,180.56 and 2,424.67

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Solution

The fourth proportional to 6,121.91, 9,180.56 and 2,424.67 is: 3,636.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,121.91 : 9,180.56 = 2,424.67 : x
  2. Step 2: Convert to fraction form
    6,121.91/9,180.56 = 2,424.67/x
  3. Step 3: Cross multiply
    6,121.91x = 9,180.56 × 2,424.67
  4. Step 4: Simplify right side
    6,121.91x = 22,259,811.53
  5. Step 5: Solve for x
    x = 22,259,811.53/6,121.91
  6. Step 6: Final answer
    x = 3,636.09

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1.5x scale

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.