Home / 7,385.26-11,085.18-3,922.50

Finding the Fourth Proportional to 7,385.26, 11,085.18 and 3,922.50

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Solution

The fourth proportional to 7,385.26, 11,085.18 and 3,922.50 is: 5,887.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,385.26 : 11,085.18 = 3,922.50 : x
  2. Step 2: Convert to fraction form
    7,385.26/11,085.18 = 3,922.50/x
  3. Step 3: Cross multiply
    7,385.26x = 11,085.18 × 3,922.50
  4. Step 4: Simplify right side
    7,385.26x = 43,481,618.55
  5. Step 5: Solve for x
    x = 43,481,618.55/7,385.26
  6. Step 6: Final answer
    x = 5,887.62

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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.