Home / 7,940.74-11,907.25-2,393.05

Finding the Fourth Proportional to 7,940.74, 11,907.25 and 2,393.05

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Solution

The fourth proportional to 7,940.74, 11,907.25 and 2,393.05 is: 3,588.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,940.74 : 11,907.25 = 2,393.05 : x
  2. Step 2: Convert to fraction form
    7,940.74/11,907.25 = 2,393.05/x
  3. Step 3: Cross multiply
    7,940.74x = 11,907.25 × 2,393.05
  4. Step 4: Simplify right side
    7,940.74x = 28,494,644.61
  5. Step 5: Solve for x
    x = 28,494,644.61/7,940.74
  6. Step 6: Final answer
    x = 3,588.41

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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.