Home / 7,213.03-10,820.99-2,770.52

Finding the Fourth Proportional to 7,213.03, 10,820.99 and 2,770.52

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Solution

The fourth proportional to 7,213.03, 10,820.99 and 2,770.52 is: 4,156.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,213.03 : 10,820.99 = 2,770.52 : x
  2. Step 2: Convert to fraction form
    7,213.03/10,820.99 = 2,770.52/x
  3. Step 3: Cross multiply
    7,213.03x = 10,820.99 × 2,770.52
  4. Step 4: Simplify right side
    7,213.03x = 29,979,722.04
  5. Step 5: Solve for x
    x = 29,979,722.04/7,213.03
  6. Step 6: Final answer
    x = 4,156.33

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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.