Home / 7,790.55-11,682.94-2,242.02

Finding the Fourth Proportional to 7,790.55, 11,682.94 and 2,242.02

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Solution

The fourth proportional to 7,790.55, 11,682.94 and 2,242.02 is: 3,362.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,790.55 : 11,682.94 = 2,242.02 : x
  2. Step 2: Convert to fraction form
    7,790.55/11,682.94 = 2,242.02/x
  3. Step 3: Cross multiply
    7,790.55x = 11,682.94 × 2,242.02
  4. Step 4: Simplify right side
    7,790.55x = 26,193,339.89
  5. Step 5: Solve for x
    x = 26,193,339.89/7,790.55
  6. Step 6: Final answer
    x = 3,362.20

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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.