Home / 4,190.43-5,782.49-2,422.00

Finding the Fourth Proportional to 4,190.43, 5,782.49 and 2,422.00

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Solution

The fourth proportional to 4,190.43, 5,782.49 and 2,422.00 is: 3,342.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,190.43 : 5,782.49 = 2,422.00 : x
  2. Step 2: Convert to fraction form
    4,190.43/5,782.49 = 2,422.00/x
  3. Step 3: Cross multiply
    4,190.43x = 5,782.49 × 2,422.00
  4. Step 4: Simplify right side
    4,190.43x = 14,005,194.98
  5. Step 5: Solve for x
    x = 14,005,194.98/4,190.43
  6. Step 6: Final answer
    x = 3,342.18

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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.