Home / 3,695.56-5,539.74-1,229.11

Finding the Fourth Proportional to 3,695.56, 5,539.74 and 1,229.11

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Solution

The fourth proportional to 3,695.56, 5,539.74 and 1,229.11 is: 1,842.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,695.56 : 5,539.74 = 1,229.11 : x
  2. Step 2: Convert to fraction form
    3,695.56/5,539.74 = 1,229.11/x
  3. Step 3: Cross multiply
    3,695.56x = 5,539.74 × 1,229.11
  4. Step 4: Simplify right side
    3,695.56x = 6,808,949.83
  5. Step 5: Solve for x
    x = 6,808,949.83/3,695.56
  6. Step 6: Final answer
    x = 1,842.47

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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.