Home / 7,844.75-11,768.58-2,580.05

Finding the Fourth Proportional to 7,844.75, 11,768.58 and 2,580.05

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Solution

The fourth proportional to 7,844.75, 11,768.58 and 2,580.05 is: 3,870.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,844.75 : 11,768.58 = 2,580.05 : x
  2. Step 2: Convert to fraction form
    7,844.75/11,768.58 = 2,580.05/x
  3. Step 3: Cross multiply
    7,844.75x = 11,768.58 × 2,580.05
  4. Step 4: Simplify right side
    7,844.75x = 30,363,511.93
  5. Step 5: Solve for x
    x = 30,363,511.93/7,844.75
  6. Step 6: Final answer
    x = 3,870.55

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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.