Home / 3,580.26-5,370.42-983.22

Finding the Fourth Proportional to 3,580.26, 5,370.42 and 983.22

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Solution

The fourth proportional to 3,580.26, 5,370.42 and 983.22 is: 1,474.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,580.26 : 5,370.42 = 983.22 : x
  2. Step 2: Convert to fraction form
    3,580.26/5,370.42 = 983.22/x
  3. Step 3: Cross multiply
    3,580.26x = 5,370.42 × 983.22
  4. Step 4: Simplify right side
    3,580.26x = 5,280,304.35
  5. Step 5: Solve for x
    x = 5,280,304.35/3,580.26
  6. Step 6: Final answer
    x = 1,474.84

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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.