Home / 7,085.29-10,623.38-3,387.44

Finding the Fourth Proportional to 7,085.29, 10,623.38 and 3,387.44

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Solution

The fourth proportional to 7,085.29, 10,623.38 and 3,387.44 is: 5,078.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,085.29 : 10,623.38 = 3,387.44 : x
  2. Step 2: Convert to fraction form
    7,085.29/10,623.38 = 3,387.44/x
  3. Step 3: Cross multiply
    7,085.29x = 10,623.38 × 3,387.44
  4. Step 4: Simplify right side
    7,085.29x = 35,986,062.35
  5. Step 5: Solve for x
    x = 35,986,062.35/7,085.29
  6. Step 6: Final answer
    x = 5,078.98

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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.