Home / 6,378.48-9,568.44-2,680.02

Finding the Fourth Proportional to 6,378.48, 9,568.44 and 2,680.02

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Solution

The fourth proportional to 6,378.48, 9,568.44 and 2,680.02 is: 4,020.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,378.48 : 9,568.44 = 2,680.02 : x
  2. Step 2: Convert to fraction form
    6,378.48/9,568.44 = 2,680.02/x
  3. Step 3: Cross multiply
    6,378.48x = 9,568.44 × 2,680.02
  4. Step 4: Simplify right side
    6,378.48x = 25,643,610.57
  5. Step 5: Solve for x
    x = 25,643,610.57/6,378.48
  6. Step 6: Final answer
    x = 4,020.33

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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.