Home / 2,422.55-3,628.83-1,764.02

Finding the Fourth Proportional to 2,422.55, 3,628.83 and 1,764.02

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Solution

The fourth proportional to 2,422.55, 3,628.83 and 1,764.02 is: 2,642.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,422.55 : 3,628.83 = 1,764.02 : x
  2. Step 2: Convert to fraction form
    2,422.55/3,628.83 = 1,764.02/x
  3. Step 3: Cross multiply
    2,422.55x = 3,628.83 × 1,764.02
  4. Step 4: Simplify right side
    2,422.55x = 6,401,328.70
  5. Step 5: Solve for x
    x = 6,401,328.70/2,422.55
  6. Step 6: Final answer
    x = 2,642.39

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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.