Home / 7,745.05-10,689.09-4,601.25

Finding the Fourth Proportional to 7,745.05, 10,689.09 and 4,601.25

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Solution

The fourth proportional to 7,745.05, 10,689.09 and 4,601.25 is: 6,350.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,745.05 : 10,689.09 = 4,601.25 : x
  2. Step 2: Convert to fraction form
    7,745.05/10,689.09 = 4,601.25/x
  3. Step 3: Cross multiply
    7,745.05x = 10,689.09 × 4,601.25
  4. Step 4: Simplify right side
    7,745.05x = 49,183,175.36
  5. Step 5: Solve for x
    x = 49,183,175.36/7,745.05
  6. Step 6: Final answer
    x = 6,350.27

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.