Home / 2,037.11-2,811.20-1,152.99

Finding the Fourth Proportional to 2,037.11, 2,811.20 and 1,152.99

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Solution

The fourth proportional to 2,037.11, 2,811.20 and 1,152.99 is: 1,591.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,037.11 : 2,811.20 = 1,152.99 : x
  2. Step 2: Convert to fraction form
    2,037.11/2,811.20 = 1,152.99/x
  3. Step 3: Cross multiply
    2,037.11x = 2,811.20 × 1,152.99
  4. Step 4: Simplify right side
    2,037.11x = 3,241,279.72
  5. Step 5: Solve for x
    x = 3,241,279.72/2,037.11
  6. Step 6: Final answer
    x = 1,591.12

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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.