Home / 2,362.56-3,539.76-2,122.08

Finding the Fourth Proportional to 2,362.56, 3,539.76 and 2,122.08

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Solution

The fourth proportional to 2,362.56, 3,539.76 and 2,122.08 is: 3,179.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,362.56 : 3,539.76 = 2,122.08 : x
  2. Step 2: Convert to fraction form
    2,362.56/3,539.76 = 2,122.08/x
  3. Step 3: Cross multiply
    2,362.56x = 3,539.76 × 2,122.08
  4. Step 4: Simplify right side
    2,362.56x = 7,511,653.90
  5. Step 5: Solve for x
    x = 7,511,653.90/2,362.56
  6. Step 6: Final answer
    x = 3,179.46

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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.