Home / 4,915.49-7,371.94-3,355.20

Finding the Fourth Proportional to 4,915.49, 7,371.94 and 3,355.20

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Solution

The fourth proportional to 4,915.49, 7,371.94 and 3,355.20 is: 5,031.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,915.49 : 7,371.94 = 3,355.20 : x
  2. Step 2: Convert to fraction form
    4,915.49/7,371.94 = 3,355.20/x
  3. Step 3: Cross multiply
    4,915.49x = 7,371.94 × 3,355.20
  4. Step 4: Simplify right side
    4,915.49x = 24,734,300.82
  5. Step 5: Solve for x
    x = 24,734,300.82/4,915.49
  6. Step 6: Final answer
    x = 5,031.91

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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.