Home / 3,250.87-4,483.22-2,172.26

Finding the Fourth Proportional to 3,250.87, 4,483.22 and 2,172.26

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Solution

The fourth proportional to 3,250.87, 4,483.22 and 2,172.26 is: 2,995.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,250.87 : 4,483.22 = 2,172.26 : x
  2. Step 2: Convert to fraction form
    3,250.87/4,483.22 = 2,172.26/x
  3. Step 3: Cross multiply
    3,250.87x = 4,483.22 × 2,172.26
  4. Step 4: Simplify right side
    3,250.87x = 9,738,719.48
  5. Step 5: Solve for x
    x = 9,738,719.48/3,250.87
  6. Step 6: Final answer
    x = 2,995.73

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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.