Home / 6,542.20-9,809.52-2,158.48

Finding the Fourth Proportional to 6,542.20, 9,809.52 and 2,158.48

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Solution

The fourth proportional to 6,542.20, 9,809.52 and 2,158.48 is: 3,236.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,542.20 : 9,809.52 = 2,158.48 : x
  2. Step 2: Convert to fraction form
    6,542.20/9,809.52 = 2,158.48/x
  3. Step 3: Cross multiply
    6,542.20x = 9,809.52 × 2,158.48
  4. Step 4: Simplify right side
    6,542.20x = 21,173,652.73
  5. Step 5: Solve for x
    x = 21,173,652.73/6,542.20
  6. Step 6: Final answer
    x = 3,236.47

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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.