Home / 2,974.93-4,104.85-1,926.39

Finding the Fourth Proportional to 2,974.93, 4,104.85 and 1,926.39

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Solution

The fourth proportional to 2,974.93, 4,104.85 and 1,926.39 is: 2,658.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,974.93 : 4,104.85 = 1,926.39 : x
  2. Step 2: Convert to fraction form
    2,974.93/4,104.85 = 1,926.39/x
  3. Step 3: Cross multiply
    2,974.93x = 4,104.85 × 1,926.39
  4. Step 4: Simplify right side
    2,974.93x = 7,907,541.99
  5. Step 5: Solve for x
    x = 7,907,541.99/2,974.93
  6. Step 6: Final answer
    x = 2,658.06

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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.