Home / 5,203.75-7,181.21-3,340.75

Finding the Fourth Proportional to 5,203.75, 7,181.21 and 3,340.75

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Solution

The fourth proportional to 5,203.75, 7,181.21 and 3,340.75 is: 4,610.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,203.75 : 7,181.21 = 3,340.75 : x
  2. Step 2: Convert to fraction form
    5,203.75/7,181.21 = 3,340.75/x
  3. Step 3: Cross multiply
    5,203.75x = 7,181.21 × 3,340.75
  4. Step 4: Simplify right side
    5,203.75x = 23,990,627.31
  5. Step 5: Solve for x
    x = 23,990,627.31/5,203.75
  6. Step 6: Final answer
    x = 4,610.26

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1.5x scale

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.