Home / 3,585.78-5,376.60-1,636.11

Finding the Fourth Proportional to 3,585.78, 5,376.60 and 1,636.11

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Solution

The fourth proportional to 3,585.78, 5,376.60 and 1,636.11 is: 2,453.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,585.78 : 5,376.60 = 1,636.11 : x
  2. Step 2: Convert to fraction form
    3,585.78/5,376.60 = 1,636.11/x
  3. Step 3: Cross multiply
    3,585.78x = 5,376.60 × 1,636.11
  4. Step 4: Simplify right side
    3,585.78x = 8,796,709.03
  5. Step 5: Solve for x
    x = 8,796,709.03/3,585.78
  6. Step 6: Final answer
    x = 2,453.22

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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.