Home / 5,171.59-7,137.69-2,933.02

Finding the Fourth Proportional to 5,171.59, 7,137.69 and 2,933.02

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Solution

The fourth proportional to 5,171.59, 7,137.69 and 2,933.02 is: 4,048.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,171.59 : 7,137.69 = 2,933.02 : x
  2. Step 2: Convert to fraction form
    5,171.59/7,137.69 = 2,933.02/x
  3. Step 3: Cross multiply
    5,171.59x = 7,137.69 × 2,933.02
  4. Step 4: Simplify right side
    5,171.59x = 20,934,969.68
  5. Step 5: Solve for x
    x = 20,934,969.68/5,171.59
  6. Step 6: Final answer
    x = 4,048.07

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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.