Home / 2,822.88-4,222.80-2,362.08

Finding the Fourth Proportional to 2,822.88, 4,222.80 and 2,362.08

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Solution

The fourth proportional to 2,822.88, 4,222.80 and 2,362.08 is: 3,533.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,822.88 : 4,222.80 = 2,362.08 : x
  2. Step 2: Convert to fraction form
    2,822.88/4,222.80 = 2,362.08/x
  3. Step 3: Cross multiply
    2,822.88x = 4,222.80 × 2,362.08
  4. Step 4: Simplify right side
    2,822.88x = 9,974,591.42
  5. Step 5: Solve for x
    x = 9,974,591.42/2,822.88
  6. Step 6: Final answer
    x = 3,533.48

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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.