Home / 5,301.69-7,956.09-2,380.20

Finding the Fourth Proportional to 5,301.69, 7,956.09 and 2,380.20

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Solution

The fourth proportional to 5,301.69, 7,956.09 and 2,380.20 is: 3,571.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,301.69 : 7,956.09 = 2,380.20 : x
  2. Step 2: Convert to fraction form
    5,301.69/7,956.09 = 2,380.20/x
  3. Step 3: Cross multiply
    5,301.69x = 7,956.09 × 2,380.20
  4. Step 4: Simplify right side
    5,301.69x = 18,937,085.42
  5. Step 5: Solve for x
    x = 18,937,085.42/5,301.69
  6. Step 6: Final answer
    x = 3,571.90

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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.