Home / 2,738.30-3,778.29-1,619.27

Finding the Fourth Proportional to 2,738.30, 3,778.29 and 1,619.27

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Solution

The fourth proportional to 2,738.30, 3,778.29 and 1,619.27 is: 2,234.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,738.30 : 3,778.29 = 1,619.27 : x
  2. Step 2: Convert to fraction form
    2,738.30/3,778.29 = 1,619.27/x
  3. Step 3: Cross multiply
    2,738.30x = 3,778.29 × 1,619.27
  4. Step 4: Simplify right side
    2,738.30x = 6,118,071.65
  5. Step 5: Solve for x
    x = 6,118,071.65/2,738.30
  6. Step 6: Final answer
    x = 2,234.26

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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.