Home / 7,352.56-11,028.75-3,454.21

Finding the Fourth Proportional to 7,352.56, 11,028.75 and 3,454.21

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Solution

The fourth proportional to 7,352.56, 11,028.75 and 3,454.21 is: 5,181.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,352.56 : 11,028.75 = 3,454.21 : x
  2. Step 2: Convert to fraction form
    7,352.56/11,028.75 = 3,454.21/x
  3. Step 3: Cross multiply
    7,352.56x = 11,028.75 × 3,454.21
  4. Step 4: Simplify right side
    7,352.56x = 38,095,618.54
  5. Step 5: Solve for x
    x = 38,095,618.54/7,352.56
  6. Step 6: Final answer
    x = 5,181.27

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1.5x scale

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.