Home / 2,481.24-3,424.08-1,433.28

Finding the Fourth Proportional to 2,481.24, 3,424.08 and 1,433.28

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Solution

The fourth proportional to 2,481.24, 3,424.08 and 1,433.28 is: 1,977.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,481.24 : 3,424.08 = 1,433.28 : x
  2. Step 2: Convert to fraction form
    2,481.24/3,424.08 = 1,433.28/x
  3. Step 3: Cross multiply
    2,481.24x = 3,424.08 × 1,433.28
  4. Step 4: Simplify right side
    2,481.24x = 4,907,665.38
  5. Step 5: Solve for x
    x = 4,907,665.38/2,481.24
  6. Step 6: Final answer
    x = 1,977.91

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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.