Home / 3,412.12-5,121.74-3,024.60

Finding the Fourth Proportional to 3,412.12, 5,121.74 and 3,024.60

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Solution

The fourth proportional to 3,412.12, 5,121.74 and 3,024.60 is: 4,540.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,412.12 : 5,121.74 = 3,024.60 : x
  2. Step 2: Convert to fraction form
    3,412.12/5,121.74 = 3,024.60/x
  3. Step 3: Cross multiply
    3,412.12x = 5,121.74 × 3,024.60
  4. Step 4: Simplify right side
    3,412.12x = 15,491,214.80
  5. Step 5: Solve for x
    x = 15,491,214.80/3,412.12
  6. Step 6: Final answer
    x = 4,540.06

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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.