Home / 2,190.48-3,022.38-1,482.44

Finding the Fourth Proportional to 2,190.48, 3,022.38 and 1,482.44

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Solution

The fourth proportional to 2,190.48, 3,022.38 and 1,482.44 is: 2,045.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,190.48 : 3,022.38 = 1,482.44 : x
  2. Step 2: Convert to fraction form
    2,190.48/3,022.38 = 1,482.44/x
  3. Step 3: Cross multiply
    2,190.48x = 3,022.38 × 1,482.44
  4. Step 4: Simplify right side
    2,190.48x = 4,480,481.90
  5. Step 5: Solve for x
    x = 4,480,481.90/2,190.48
  6. Step 6: Final answer
    x = 2,045.43

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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.