Home / 7,355.10-11,028.60-3,137.34

Finding the Fourth Proportional to 7,355.10, 11,028.60 and 3,137.34

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Solution

The fourth proportional to 7,355.10, 11,028.60 and 3,137.34 is: 4,704.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,355.10 : 11,028.60 = 3,137.34 : x
  2. Step 2: Convert to fraction form
    7,355.10/11,028.60 = 3,137.34/x
  3. Step 3: Cross multiply
    7,355.10x = 11,028.60 × 3,137.34
  4. Step 4: Simplify right side
    7,355.10x = 34,600,467.92
  5. Step 5: Solve for x
    x = 34,600,467.92/7,355.10
  6. Step 6: Final answer
    x = 4,704.28

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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.