Home / 7,589.94-11,386.44-3,207.40

Finding the Fourth Proportional to 7,589.94, 11,386.44 and 3,207.40

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Solution

The fourth proportional to 7,589.94, 11,386.44 and 3,207.40 is: 4,811.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,589.94 : 11,386.44 = 3,207.40 : x
  2. Step 2: Convert to fraction form
    7,589.94/11,386.44 = 3,207.40/x
  3. Step 3: Cross multiply
    7,589.94x = 11,386.44 × 3,207.40
  4. Step 4: Simplify right side
    7,589.94x = 36,520,867.66
  5. Step 5: Solve for x
    x = 36,520,867.66/7,589.94
  6. Step 6: Final answer
    x = 4,811.75

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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.