Home / 2,205.77-3,043.58-1,366.74

Finding the Fourth Proportional to 2,205.77, 3,043.58 and 1,366.74

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Solution

The fourth proportional to 2,205.77, 3,043.58 and 1,366.74 is: 1,885.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,205.77 : 3,043.58 = 1,366.74 : x
  2. Step 2: Convert to fraction form
    2,205.77/3,043.58 = 1,366.74/x
  3. Step 3: Cross multiply
    2,205.77x = 3,043.58 × 1,366.74
  4. Step 4: Simplify right side
    2,205.77x = 4,159,775.70
  5. Step 5: Solve for x
    x = 4,159,775.70/2,205.77
  6. Step 6: Final answer
    x = 1,885.87

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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.