Home / 7,580.64-11,371.20-3,198.24

Finding the Fourth Proportional to 7,580.64, 11,371.20 and 3,198.24

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Solution

The fourth proportional to 7,580.64, 11,371.20 and 3,198.24 is: 4,797.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,580.64 : 11,371.20 = 3,198.24 : x
  2. Step 2: Convert to fraction form
    7,580.64/11,371.20 = 3,198.24/x
  3. Step 3: Cross multiply
    7,580.64x = 11,371.20 × 3,198.24
  4. Step 4: Simplify right side
    7,580.64x = 36,367,826.69
  5. Step 5: Solve for x
    x = 36,367,826.69/7,580.64
  6. Step 6: Final answer
    x = 4,797.46

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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.