Home / 5,461.81-8,194.53-2,174.02

Finding the Fourth Proportional to 5,461.81, 8,194.53 and 2,174.02

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Solution

The fourth proportional to 5,461.81, 8,194.53 and 2,174.02 is: 3,261.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,461.81 : 8,194.53 = 2,174.02 : x
  2. Step 2: Convert to fraction form
    5,461.81/8,194.53 = 2,174.02/x
  3. Step 3: Cross multiply
    5,461.81x = 8,194.53 × 2,174.02
  4. Step 4: Simplify right side
    5,461.81x = 17,815,072.11
  5. Step 5: Solve for x
    x = 17,815,072.11/5,461.81
  6. Step 6: Final answer
    x = 3,261.75

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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.