Home / 7,414.08-10,231.20-4,270.20

Finding the Fourth Proportional to 7,414.08, 10,231.20 and 4,270.20

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Solution

The fourth proportional to 7,414.08, 10,231.20 and 4,270.20 is: 5,892.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,414.08 : 10,231.20 = 4,270.20 : x
  2. Step 2: Convert to fraction form
    7,414.08/10,231.20 = 4,270.20/x
  3. Step 3: Cross multiply
    7,414.08x = 10,231.20 × 4,270.20
  4. Step 4: Simplify right side
    7,414.08x = 43,689,270.24
  5. Step 5: Solve for x
    x = 43,689,270.24/7,414.08
  6. Step 6: Final answer
    x = 5,892.74

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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.