Home / 5,846.64-8,768.79-2,147.61

Finding the Fourth Proportional to 5,846.64, 8,768.79 and 2,147.61

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Solution

The fourth proportional to 5,846.64, 8,768.79 and 2,147.61 is: 3,220.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,846.64 : 8,768.79 = 2,147.61 : x
  2. Step 2: Convert to fraction form
    5,846.64/8,768.79 = 2,147.61/x
  3. Step 3: Cross multiply
    5,846.64x = 8,768.79 × 2,147.61
  4. Step 4: Simplify right side
    5,846.64x = 18,831,941.09
  5. Step 5: Solve for x
    x = 18,831,941.09/5,846.64
  6. Step 6: Final answer
    x = 3,220.99

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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.