Home / 5,415.75-8,108.26-3,746.12

Finding the Fourth Proportional to 5,415.75, 8,108.26 and 3,746.12

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Solution

The fourth proportional to 5,415.75, 8,108.26 and 3,746.12 is: 5,608.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,415.75 : 8,108.26 = 3,746.12 : x
  2. Step 2: Convert to fraction form
    5,415.75/8,108.26 = 3,746.12/x
  3. Step 3: Cross multiply
    5,415.75x = 8,108.26 × 3,746.12
  4. Step 4: Simplify right side
    5,415.75x = 30,374,465.04
  5. Step 5: Solve for x
    x = 30,374,465.04/5,415.75
  6. Step 6: Final answer
    x = 5,608.54

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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.