Home / 3,690.63-5,528.66-2,767.23

Finding the Fourth Proportional to 3,690.63, 5,528.66 and 2,767.23

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Solution

The fourth proportional to 3,690.63, 5,528.66 and 2,767.23 is: 4,145.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,690.63 : 5,528.66 = 2,767.23 : x
  2. Step 2: Convert to fraction form
    3,690.63/5,528.66 = 2,767.23/x
  3. Step 3: Cross multiply
    3,690.63x = 5,528.66 × 2,767.23
  4. Step 4: Simplify right side
    3,690.63x = 15,299,059.98
  5. Step 5: Solve for x
    x = 15,299,059.98/3,690.63
  6. Step 6: Final answer
    x = 4,145.38

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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.