Home / 5,498.51-8,247.78-1,338.52

Finding the Fourth Proportional to 5,498.51, 8,247.78 and 1,338.52

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Solution

The fourth proportional to 5,498.51, 8,247.78 and 1,338.52 is: 2,007.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,498.51 : 8,247.78 = 1,338.52 : x
  2. Step 2: Convert to fraction form
    5,498.51/8,247.78 = 1,338.52/x
  3. Step 3: Cross multiply
    5,498.51x = 8,247.78 × 1,338.52
  4. Step 4: Simplify right side
    5,498.51x = 11,039,773.90
  5. Step 5: Solve for x
    x = 11,039,773.90/5,498.51
  6. Step 6: Final answer
    x = 2,007.78

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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.