Home / 2,676.19-3,685.54-2,618.95

Finding the Fourth Proportional to 2,676.19, 3,685.54 and 2,618.95

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Solution

The fourth proportional to 2,676.19, 3,685.54 and 2,618.95 is: 3,606.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,676.19 : 3,685.54 = 2,618.95 : x
  2. Step 2: Convert to fraction form
    2,676.19/3,685.54 = 2,618.95/x
  3. Step 3: Cross multiply
    2,676.19x = 3,685.54 × 2,618.95
  4. Step 4: Simplify right side
    2,676.19x = 9,652,244.98
  5. Step 5: Solve for x
    x = 9,652,244.98/2,676.19
  6. Step 6: Final answer
    x = 3,606.71

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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.