Home / 6,120.68-9,181.62-2,224.17

Finding the Fourth Proportional to 6,120.68, 9,181.62 and 2,224.17

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Solution

The fourth proportional to 6,120.68, 9,181.62 and 2,224.17 is: 3,336.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,120.68 : 9,181.62 = 2,224.17 : x
  2. Step 2: Convert to fraction form
    6,120.68/9,181.62 = 2,224.17/x
  3. Step 3: Cross multiply
    6,120.68x = 9,181.62 × 2,224.17
  4. Step 4: Simplify right side
    6,120.68x = 20,421,483.76
  5. Step 5: Solve for x
    x = 20,421,483.76/6,120.68
  6. Step 6: Final answer
    x = 3,336.48

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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.