Home / 5,289.12-7,933.91-2,001.79

Finding the Fourth Proportional to 5,289.12, 7,933.91 and 2,001.79

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Solution

The fourth proportional to 5,289.12, 7,933.91 and 2,001.79 is: 3,002.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,289.12 : 7,933.91 = 2,001.79 : x
  2. Step 2: Convert to fraction form
    5,289.12/7,933.91 = 2,001.79/x
  3. Step 3: Cross multiply
    5,289.12x = 7,933.91 × 2,001.79
  4. Step 4: Simplify right side
    5,289.12x = 15,882,021.70
  5. Step 5: Solve for x
    x = 15,882,021.70/5,289.12
  6. Step 6: Final answer
    x = 3,002.77

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.