Home / 7,820.05-11,730.69-2,273.49

Finding the Fourth Proportional to 7,820.05, 11,730.69 and 2,273.49

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Solution

The fourth proportional to 7,820.05, 11,730.69 and 2,273.49 is: 3,410.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,820.05 : 11,730.69 = 2,273.49 : x
  2. Step 2: Convert to fraction form
    7,820.05/11,730.69 = 2,273.49/x
  3. Step 3: Cross multiply
    7,820.05x = 11,730.69 × 2,273.49
  4. Step 4: Simplify right side
    7,820.05x = 26,669,606.41
  5. Step 5: Solve for x
    x = 26,669,606.41/7,820.05
  6. Step 6: Final answer
    x = 3,410.41

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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.