Home / 1,905.85-2,850.58-1,696.27

Finding the Fourth Proportional to 1,905.85, 2,850.58 and 1,696.27

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Solution

The fourth proportional to 1,905.85, 2,850.58 and 1,696.27 is: 2,537.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,905.85 : 2,850.58 = 1,696.27 : x
  2. Step 2: Convert to fraction form
    1,905.85/2,850.58 = 1,696.27/x
  3. Step 3: Cross multiply
    1,905.85x = 2,850.58 × 1,696.27
  4. Step 4: Simplify right side
    1,905.85x = 4,835,330.60
  5. Step 5: Solve for x
    x = 4,835,330.60/1,905.85
  6. Step 6: Final answer
    x = 2,537.10

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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.