Home / 7,725.60-11,589.12-2,796.48

Finding the Fourth Proportional to 7,725.60, 11,589.12 and 2,796.48

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Solution

The fourth proportional to 7,725.60, 11,589.12 and 2,796.48 is: 4,194.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,725.60 : 11,589.12 = 2,796.48 : x
  2. Step 2: Convert to fraction form
    7,725.60/11,589.12 = 2,796.48/x
  3. Step 3: Cross multiply
    7,725.60x = 11,589.12 × 2,796.48
  4. Step 4: Simplify right side
    7,725.60x = 32,408,742.30
  5. Step 5: Solve for x
    x = 32,408,742.30/7,725.60
  6. Step 6: Final answer
    x = 4,194.98

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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.