Home / 2,480.48-3,739.32-2,098.40

Finding the Fourth Proportional to 2,480.48, 3,739.32 and 2,098.40

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Solution

The fourth proportional to 2,480.48, 3,739.32 and 2,098.40 is: 3,163.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,480.48 : 3,739.32 = 2,098.40 : x
  2. Step 2: Convert to fraction form
    2,480.48/3,739.32 = 2,098.40/x
  3. Step 3: Cross multiply
    2,480.48x = 3,739.32 × 2,098.40
  4. Step 4: Simplify right side
    2,480.48x = 7,846,589.09
  5. Step 5: Solve for x
    x = 7,846,589.09/2,480.48
  6. Step 6: Final answer
    x = 3,163.33

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.