Home / 4,977.24-7,467.48-2,380.38

Finding the Fourth Proportional to 4,977.24, 7,467.48 and 2,380.38

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Solution

The fourth proportional to 4,977.24, 7,467.48 and 2,380.38 is: 3,571.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,977.24 : 7,467.48 = 2,380.38 : x
  2. Step 2: Convert to fraction form
    4,977.24/7,467.48 = 2,380.38/x
  3. Step 3: Cross multiply
    4,977.24x = 7,467.48 × 2,380.38
  4. Step 4: Simplify right side
    4,977.24x = 17,775,440.04
  5. Step 5: Solve for x
    x = 17,775,440.04/4,977.24
  6. Step 6: Final answer
    x = 3,571.34

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1.5x scale

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.