Home / 3,208.01-4,811.99-1,900.76

Finding the Fourth Proportional to 3,208.01, 4,811.99 and 1,900.76

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Solution

The fourth proportional to 3,208.01, 4,811.99 and 1,900.76 is: 2,851.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,208.01 : 4,811.99 = 1,900.76 : x
  2. Step 2: Convert to fraction form
    3,208.01/4,811.99 = 1,900.76/x
  3. Step 3: Cross multiply
    3,208.01x = 4,811.99 × 1,900.76
  4. Step 4: Simplify right side
    3,208.01x = 9,146,404.55
  5. Step 5: Solve for x
    x = 9,146,404.55/3,208.01
  6. Step 6: Final answer
    x = 2,851.12

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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.