Home / 5,231.08-7,218.73-2,873.07

Finding the Fourth Proportional to 5,231.08, 7,218.73 and 2,873.07

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Solution

The fourth proportional to 5,231.08, 7,218.73 and 2,873.07 is: 3,964.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,231.08 : 7,218.73 = 2,873.07 : x
  2. Step 2: Convert to fraction form
    5,231.08/7,218.73 = 2,873.07/x
  3. Step 3: Cross multiply
    5,231.08x = 7,218.73 × 2,873.07
  4. Step 4: Simplify right side
    5,231.08x = 20,739,902.24
  5. Step 5: Solve for x
    x = 20,739,902.24/5,231.08
  6. Step 6: Final answer
    x = 3,964.75

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1.5x scale

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.