Home / 3,840.22-5,297.83-2,348.20

Finding the Fourth Proportional to 3,840.22, 5,297.83 and 2,348.20

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Solution

The fourth proportional to 3,840.22, 5,297.83 and 2,348.20 is: 3,239.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,840.22 : 5,297.83 = 2,348.20 : x
  2. Step 2: Convert to fraction form
    3,840.22/5,297.83 = 2,348.20/x
  3. Step 3: Cross multiply
    3,840.22x = 5,297.83 × 2,348.20
  4. Step 4: Simplify right side
    3,840.22x = 12,440,364.41
  5. Step 5: Solve for x
    x = 12,440,364.41/3,840.22
  6. Step 6: Final answer
    x = 3,239.49

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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.