Home / 5,088.49-7,021.92-2,850.26

Finding the Fourth Proportional to 5,088.49, 7,021.92 and 2,850.26

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Solution

The fourth proportional to 5,088.49, 7,021.92 and 2,850.26 is: 3,933.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,088.49 : 7,021.92 = 2,850.26 : x
  2. Step 2: Convert to fraction form
    5,088.49/7,021.92 = 2,850.26/x
  3. Step 3: Cross multiply
    5,088.49x = 7,021.92 × 2,850.26
  4. Step 4: Simplify right side
    5,088.49x = 20,014,297.70
  5. Step 5: Solve for x
    x = 20,014,297.70/5,088.49
  6. Step 6: Final answer
    x = 3,933.25

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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.