Home / 6,558.84-9,839.23-2,115.02

Finding the Fourth Proportional to 6,558.84, 9,839.23 and 2,115.02

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Solution

The fourth proportional to 6,558.84, 9,839.23 and 2,115.02 is: 3,172.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,558.84 : 9,839.23 = 2,115.02 : x
  2. Step 2: Convert to fraction form
    6,558.84/9,839.23 = 2,115.02/x
  3. Step 3: Cross multiply
    6,558.84x = 9,839.23 × 2,115.02
  4. Step 4: Simplify right side
    6,558.84x = 20,810,168.23
  5. Step 5: Solve for x
    x = 20,810,168.23/6,558.84
  6. Step 6: Final answer
    x = 3,172.84

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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.