Home / 3,915.24-5,876.46-1,836.48

Finding the Fourth Proportional to 3,915.24, 5,876.46 and 1,836.48

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Solution

The fourth proportional to 3,915.24, 5,876.46 and 1,836.48 is: 2,756.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,915.24 : 5,876.46 = 1,836.48 : x
  2. Step 2: Convert to fraction form
    3,915.24/5,876.46 = 1,836.48/x
  3. Step 3: Cross multiply
    3,915.24x = 5,876.46 × 1,836.48
  4. Step 4: Simplify right side
    3,915.24x = 10,792,001.26
  5. Step 5: Solve for x
    x = 10,792,001.26/3,915.24
  6. Step 6: Final answer
    x = 2,756.41

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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.