Home / 7,820.18-11,730.33-2,273.90

Finding the Fourth Proportional to 7,820.18, 11,730.33 and 2,273.90

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Solution

The fourth proportional to 7,820.18, 11,730.33 and 2,273.90 is: 3,410.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,820.18 : 11,730.33 = 2,273.90 : x
  2. Step 2: Convert to fraction form
    7,820.18/11,730.33 = 2,273.90/x
  3. Step 3: Cross multiply
    7,820.18x = 11,730.33 × 2,273.90
  4. Step 4: Simplify right side
    7,820.18x = 26,673,597.39
  5. Step 5: Solve for x
    x = 26,673,597.39/7,820.18
  6. Step 6: Final answer
    x = 3,410.87

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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.