Home / 7,272.75-10,909.53-2,079.03

Finding the Fourth Proportional to 7,272.75, 10,909.53 and 2,079.03

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Solution

The fourth proportional to 7,272.75, 10,909.53 and 2,079.03 is: 3,118.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,272.75 : 10,909.53 = 2,079.03 : x
  2. Step 2: Convert to fraction form
    7,272.75/10,909.53 = 2,079.03/x
  3. Step 3: Cross multiply
    7,272.75x = 10,909.53 × 2,079.03
  4. Step 4: Simplify right side
    7,272.75x = 22,681,240.16
  5. Step 5: Solve for x
    x = 22,681,240.16/7,272.75
  6. Step 6: Final answer
    x = 3,118.66

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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.