Home / 2,027.11-3,040.51-1,247.22

Finding the Fourth Proportional to 2,027.11, 3,040.51 and 1,247.22

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Solution

The fourth proportional to 2,027.11, 3,040.51 and 1,247.22 is: 1,870.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,027.11 : 3,040.51 = 1,247.22 : x
  2. Step 2: Convert to fraction form
    2,027.11/3,040.51 = 1,247.22/x
  3. Step 3: Cross multiply
    2,027.11x = 3,040.51 × 1,247.22
  4. Step 4: Simplify right side
    2,027.11x = 3,792,184.88
  5. Step 5: Solve for x
    x = 3,792,184.88/2,027.11
  6. Step 6: Final answer
    x = 1,870.73

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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.