Home / 7,790.24-10,745.20-4,644

Finding the Fourth Proportional to 7,790.24, 10,745.20 and 4,644

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Solution

The fourth proportional to 7,790.24, 10,745.20 and 4,644 is: 6,405.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,790.24 : 10,745.20 = 4,644 : x
  2. Step 2: Convert to fraction form
    7,790.24/10,745.20 = 4,644/x
  3. Step 3: Cross multiply
    7,790.24x = 10,745.20 × 4,644
  4. Step 4: Simplify right side
    7,790.24x = 49,900,708.80
  5. Step 5: Solve for x
    x = 49,900,708.80/7,790.24
  6. Step 6: Final answer
    x = 6,405.54

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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.