Home / 7,934.74-11,898.26-2,387.05

Finding the Fourth Proportional to 7,934.74, 11,898.26 and 2,387.05

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Solution

The fourth proportional to 7,934.74, 11,898.26 and 2,387.05 is: 3,579.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,934.74 : 11,898.26 = 2,387.05 : x
  2. Step 2: Convert to fraction form
    7,934.74/11,898.26 = 2,387.05/x
  3. Step 3: Cross multiply
    7,934.74x = 11,898.26 × 2,387.05
  4. Step 4: Simplify right side
    7,934.74x = 28,401,708.80
  5. Step 5: Solve for x
    x = 28,401,708.80/7,934.74
  6. Step 6: Final answer
    x = 3,579.41

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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.