Home / 2,548.14-3,821.30-1,379.01

Finding the Fourth Proportional to 2,548.14, 3,821.30 and 1,379.01

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Solution

The fourth proportional to 2,548.14, 3,821.30 and 1,379.01 is: 2,068.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,548.14 : 3,821.30 = 1,379.01 : x
  2. Step 2: Convert to fraction form
    2,548.14/3,821.30 = 1,379.01/x
  3. Step 3: Cross multiply
    2,548.14x = 3,821.30 × 1,379.01
  4. Step 4: Simplify right side
    2,548.14x = 5,269,604.02
  5. Step 5: Solve for x
    x = 5,269,604.02/2,548.14
  6. Step 6: Final answer
    x = 2,068.02

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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.