Home / 7,179.12-10,765.44-2,793.24

Finding the Fourth Proportional to 7,179.12, 10,765.44 and 2,793.24

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Solution

The fourth proportional to 7,179.12, 10,765.44 and 2,793.24 is: 4,188.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,179.12 : 10,765.44 = 2,793.24 : x
  2. Step 2: Convert to fraction form
    7,179.12/10,765.44 = 2,793.24/x
  3. Step 3: Cross multiply
    7,179.12x = 10,765.44 × 2,793.24
  4. Step 4: Simplify right side
    7,179.12x = 30,070,457.63
  5. Step 5: Solve for x
    x = 30,070,457.63/7,179.12
  6. Step 6: Final answer
    x = 4,188.60

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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.