Home / 3,231.80-4,847.70-1,500.02

Finding the Fourth Proportional to 3,231.80, 4,847.70 and 1,500.02

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Solution

The fourth proportional to 3,231.80, 4,847.70 and 1,500.02 is: 2,250.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,231.80 : 4,847.70 = 1,500.02 : x
  2. Step 2: Convert to fraction form
    3,231.80/4,847.70 = 1,500.02/x
  3. Step 3: Cross multiply
    3,231.80x = 4,847.70 × 1,500.02
  4. Step 4: Simplify right side
    3,231.80x = 7,271,646.95
  5. Step 5: Solve for x
    x = 7,271,646.95/3,231.80
  6. Step 6: Final answer
    x = 2,250.03

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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.