Home / 7,820.92-11,733.82-2,627.02

Finding the Fourth Proportional to 7,820.92, 11,733.82 and 2,627.02

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Solution

The fourth proportional to 7,820.92, 11,733.82 and 2,627.02 is: 3,941.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,820.92 : 11,733.82 = 2,627.02 : x
  2. Step 2: Convert to fraction form
    7,820.92/11,733.82 = 2,627.02/x
  3. Step 3: Cross multiply
    7,820.92x = 11,733.82 × 2,627.02
  4. Step 4: Simplify right side
    7,820.92x = 30,824,979.82
  5. Step 5: Solve for x
    x = 30,824,979.82/7,820.92
  6. Step 6: Final answer
    x = 3,941.35

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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.