Home / 5,174.73-7,140.02-2,936.43

Finding the Fourth Proportional to 5,174.73, 7,140.02 and 2,936.43

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Solution

The fourth proportional to 5,174.73, 7,140.02 and 2,936.43 is: 4,051.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,174.73 : 7,140.02 = 2,936.43 : x
  2. Step 2: Convert to fraction form
    5,174.73/7,140.02 = 2,936.43/x
  3. Step 3: Cross multiply
    5,174.73x = 7,140.02 × 2,936.43
  4. Step 4: Simplify right side
    5,174.73x = 20,966,154.25
  5. Step 5: Solve for x
    x = 20,966,154.25/5,174.73
  6. Step 6: Final answer
    x = 4,051.64

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.