Home / 6,431.49-9,647.94-2,047.94

Finding the Fourth Proportional to 6,431.49, 9,647.94 and 2,047.94

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Solution

The fourth proportional to 6,431.49, 9,647.94 and 2,047.94 is: 3,072.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,431.49 : 9,647.94 = 2,047.94 : x
  2. Step 2: Convert to fraction form
    6,431.49/9,647.94 = 2,047.94/x
  3. Step 3: Cross multiply
    6,431.49x = 9,647.94 × 2,047.94
  4. Step 4: Simplify right side
    6,431.49x = 19,758,354.00
  5. Step 5: Solve for x
    x = 19,758,354.00/6,431.49
  6. Step 6: Final answer
    x = 3,072.13

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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.