Home / 3,271.50-4,900.68-1,623.06

Finding the Fourth Proportional to 3,271.50, 4,900.68 and 1,623.06

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Solution

The fourth proportional to 3,271.50, 4,900.68 and 1,623.06 is: 2,431.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,271.50 : 4,900.68 = 1,623.06 : x
  2. Step 2: Convert to fraction form
    3,271.50/4,900.68 = 1,623.06/x
  3. Step 3: Cross multiply
    3,271.50x = 4,900.68 × 1,623.06
  4. Step 4: Simplify right side
    3,271.50x = 7,954,097.68
  5. Step 5: Solve for x
    x = 7,954,097.68/3,271.50
  6. Step 6: Final answer
    x = 2,431.33

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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.