Home / 3,845.19-5,767.59-1,072.02

Finding the Fourth Proportional to 3,845.19, 5,767.59 and 1,072.02

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Solution

The fourth proportional to 3,845.19, 5,767.59 and 1,072.02 is: 1,607.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,845.19 : 5,767.59 = 1,072.02 : x
  2. Step 2: Convert to fraction form
    3,845.19/5,767.59 = 1,072.02/x
  3. Step 3: Cross multiply
    3,845.19x = 5,767.59 × 1,072.02
  4. Step 4: Simplify right side
    3,845.19x = 6,182,971.83
  5. Step 5: Solve for x
    x = 6,182,971.83/3,845.19
  6. Step 6: Final answer
    x = 1,607.98

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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.