Home / 2,424.22-3,636.79-1,108.06

Finding the Fourth Proportional to 2,424.22, 3,636.79 and 1,108.06

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Solution

The fourth proportional to 2,424.22, 3,636.79 and 1,108.06 is: 1,662.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,424.22 : 3,636.79 = 1,108.06 : x
  2. Step 2: Convert to fraction form
    2,424.22/3,636.79 = 1,108.06/x
  3. Step 3: Cross multiply
    2,424.22x = 3,636.79 × 1,108.06
  4. Step 4: Simplify right side
    2,424.22x = 4,029,781.53
  5. Step 5: Solve for x
    x = 4,029,781.53/2,424.22
  6. Step 6: Final answer
    x = 1,662.30

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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.