Home / 7,404.27-11,102.76-2,720.97

Finding the Fourth Proportional to 7,404.27, 11,102.76 and 2,720.97

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Solution

The fourth proportional to 7,404.27, 11,102.76 and 2,720.97 is: 4,080.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,404.27 : 11,102.76 = 2,720.97 : x
  2. Step 2: Convert to fraction form
    7,404.27/11,102.76 = 2,720.97/x
  3. Step 3: Cross multiply
    7,404.27x = 11,102.76 × 2,720.97
  4. Step 4: Simplify right side
    7,404.27x = 30,210,276.88
  5. Step 5: Solve for x
    x = 30,210,276.88/7,404.27
  6. Step 6: Final answer
    x = 4,080.12

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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.