Home / 5,087.88-7,022.34-3,316.44

Finding the Fourth Proportional to 5,087.88, 7,022.34 and 3,316.44

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Solution

The fourth proportional to 5,087.88, 7,022.34 and 3,316.44 is: 4,577.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,087.88 : 7,022.34 = 3,316.44 : x
  2. Step 2: Convert to fraction form
    5,087.88/7,022.34 = 3,316.44/x
  3. Step 3: Cross multiply
    5,087.88x = 7,022.34 × 3,316.44
  4. Step 4: Simplify right side
    5,087.88x = 23,289,169.27
  5. Step 5: Solve for x
    x = 23,289,169.27/5,087.88
  6. Step 6: Final answer
    x = 4,577.38

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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.