Home / 7,655.89-11,470.23-3,203.74

Finding the Fourth Proportional to 7,655.89, 11,470.23 and 3,203.74

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Solution

The fourth proportional to 7,655.89, 11,470.23 and 3,203.74 is: 4,799.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,655.89 : 11,470.23 = 3,203.74 : x
  2. Step 2: Convert to fraction form
    7,655.89/11,470.23 = 3,203.74/x
  3. Step 3: Cross multiply
    7,655.89x = 11,470.23 × 3,203.74
  4. Step 4: Simplify right side
    7,655.89x = 36,747,634.66
  5. Step 5: Solve for x
    x = 36,747,634.66/7,655.89
  6. Step 6: Final answer
    x = 4,799.92

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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.