Home / 2,037.26-2,811.43-1,105.76

Finding the Fourth Proportional to 2,037.26, 2,811.43 and 1,105.76

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Solution

The fourth proportional to 2,037.26, 2,811.43 and 1,105.76 is: 1,525.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,037.26 : 2,811.43 = 1,105.76 : x
  2. Step 2: Convert to fraction form
    2,037.26/2,811.43 = 1,105.76/x
  3. Step 3: Cross multiply
    2,037.26x = 2,811.43 × 1,105.76
  4. Step 4: Simplify right side
    2,037.26x = 3,108,766.84
  5. Step 5: Solve for x
    x = 3,108,766.84/2,037.26
  6. Step 6: Final answer
    x = 1,525.95

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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.