Home / 5,230.88-7,218.48-2,873

Finding the Fourth Proportional to 5,230.88, 7,218.48 and 2,873

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Solution

The fourth proportional to 5,230.88, 7,218.48 and 2,873 is: 3,964.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,230.88 : 7,218.48 = 2,873 : x
  2. Step 2: Convert to fraction form
    5,230.88/7,218.48 = 2,873/x
  3. Step 3: Cross multiply
    5,230.88x = 7,218.48 × 2,873
  4. Step 4: Simplify right side
    5,230.88x = 20,738,693.04
  5. Step 5: Solve for x
    x = 20,738,693.04/5,230.88
  6. Step 6: Final answer
    x = 3,964.67

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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.