Home / 5,904.03-8,138.73-3,911.11

Finding the Fourth Proportional to 5,904.03, 8,138.73 and 3,911.11

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Solution

The fourth proportional to 5,904.03, 8,138.73 and 3,911.11 is: 5,391.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,904.03 : 8,138.73 = 3,911.11 : x
  2. Step 2: Convert to fraction form
    5,904.03/8,138.73 = 3,911.11/x
  3. Step 3: Cross multiply
    5,904.03x = 8,138.73 × 3,911.11
  4. Step 4: Simplify right side
    5,904.03x = 31,831,468.29
  5. Step 5: Solve for x
    x = 31,831,468.29/5,904.03
  6. Step 6: Final answer
    x = 5,391.48

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.