Home / 4,222.16-6,331.30-1,755.51

Finding the Fourth Proportional to 4,222.16, 6,331.30 and 1,755.51

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Solution

The fourth proportional to 4,222.16, 6,331.30 and 1,755.51 is: 2,632.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,222.16 : 6,331.30 = 1,755.51 : x
  2. Step 2: Convert to fraction form
    4,222.16/6,331.30 = 1,755.51/x
  3. Step 3: Cross multiply
    4,222.16x = 6,331.30 × 1,755.51
  4. Step 4: Simplify right side
    4,222.16x = 11,114,660.46
  5. Step 5: Solve for x
    x = 11,114,660.46/4,222.16
  6. Step 6: Final answer
    x = 2,632.46

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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.