Home / 6,530.28-9,796.84-2,147.52

Finding the Fourth Proportional to 6,530.28, 9,796.84 and 2,147.52

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Solution

The fourth proportional to 6,530.28, 9,796.84 and 2,147.52 is: 3,221.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,530.28 : 9,796.84 = 2,147.52 : x
  2. Step 2: Convert to fraction form
    6,530.28/9,796.84 = 2,147.52/x
  3. Step 3: Cross multiply
    6,530.28x = 9,796.84 × 2,147.52
  4. Step 4: Simplify right side
    6,530.28x = 21,038,909.84
  5. Step 5: Solve for x
    x = 21,038,909.84/6,530.28
  6. Step 6: Final answer
    x = 3,221.75

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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.