Home / 2,835.18-3,916.23-1,949.43

Finding the Fourth Proportional to 2,835.18, 3,916.23 and 1,949.43

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Solution

The fourth proportional to 2,835.18, 3,916.23 and 1,949.43 is: 2,692.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,835.18 : 3,916.23 = 1,949.43 : x
  2. Step 2: Convert to fraction form
    2,835.18/3,916.23 = 1,949.43/x
  3. Step 3: Cross multiply
    2,835.18x = 3,916.23 × 1,949.43
  4. Step 4: Simplify right side
    2,835.18x = 7,634,416.25
  5. Step 5: Solve for x
    x = 7,634,416.25/2,835.18
  6. Step 6: Final answer
    x = 2,692.74

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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.