Home / 3,792.11-5,684.45-1,325.25

Finding the Fourth Proportional to 3,792.11, 5,684.45 and 1,325.25

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Solution

The fourth proportional to 3,792.11, 5,684.45 and 1,325.25 is: 1,986.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,792.11 : 5,684.45 = 1,325.25 : x
  2. Step 2: Convert to fraction form
    3,792.11/5,684.45 = 1,325.25/x
  3. Step 3: Cross multiply
    3,792.11x = 5,684.45 × 1,325.25
  4. Step 4: Simplify right side
    3,792.11x = 7,533,310.74
  5. Step 5: Solve for x
    x = 7,533,310.74/3,792.11
  6. Step 6: Final answer
    x = 1,986.58

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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.