Home / 5,231.01-7,218.60-2,873.01

Finding the Fourth Proportional to 5,231.01, 7,218.60 and 2,873.01

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Solution

The fourth proportional to 5,231.01, 7,218.60 and 2,873.01 is: 3,964.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,231.01 : 7,218.60 = 2,873.01 : x
  2. Step 2: Convert to fraction form
    5,231.01/7,218.60 = 2,873.01/x
  3. Step 3: Cross multiply
    5,231.01x = 7,218.60 × 2,873.01
  4. Step 4: Simplify right side
    5,231.01x = 20,739,109.99
  5. Step 5: Solve for x
    x = 20,739,109.99/5,231.01
  6. Step 6: Final answer
    x = 3,964.65

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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.