Home / 3,845.47-5,768.26-1,072.08

Finding the Fourth Proportional to 3,845.47, 5,768.26 and 1,072.08

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Solution

The fourth proportional to 3,845.47, 5,768.26 and 1,072.08 is: 1,608.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,845.47 : 5,768.26 = 1,072.08 : x
  2. Step 2: Convert to fraction form
    3,845.47/5,768.26 = 1,072.08/x
  3. Step 3: Cross multiply
    3,845.47x = 5,768.26 × 1,072.08
  4. Step 4: Simplify right side
    3,845.47x = 6,184,036.18
  5. Step 5: Solve for x
    x = 6,184,036.18/3,845.47
  6. Step 6: Final answer
    x = 1,608.14

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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.