Home / 4,905.36-6,772.19-3,231.63

Finding the Fourth Proportional to 4,905.36, 6,772.19 and 3,231.63

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Solution

The fourth proportional to 4,905.36, 6,772.19 and 3,231.63 is: 4,461.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,905.36 : 6,772.19 = 3,231.63 : x
  2. Step 2: Convert to fraction form
    4,905.36/6,772.19 = 3,231.63/x
  3. Step 3: Cross multiply
    4,905.36x = 6,772.19 × 3,231.63
  4. Step 4: Simplify right side
    4,905.36x = 21,885,212.37
  5. Step 5: Solve for x
    x = 21,885,212.37/4,905.36
  6. Step 6: Final answer
    x = 4,461.49

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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.