Home / 7,582.68-11,375.37-2,584.78

Finding the Fourth Proportional to 7,582.68, 11,375.37 and 2,584.78

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Solution

The fourth proportional to 7,582.68, 11,375.37 and 2,584.78 is: 3,877.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,582.68 : 11,375.37 = 2,584.78 : x
  2. Step 2: Convert to fraction form
    7,582.68/11,375.37 = 2,584.78/x
  3. Step 3: Cross multiply
    7,582.68x = 11,375.37 × 2,584.78
  4. Step 4: Simplify right side
    7,582.68x = 29,402,828.87
  5. Step 5: Solve for x
    x = 29,402,828.87/7,582.68
  6. Step 6: Final answer
    x = 3,877.63

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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.