Home / 2,845.23-3,925.68-1,850.34

Finding the Fourth Proportional to 2,845.23, 3,925.68 and 1,850.34

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Solution

The fourth proportional to 2,845.23, 3,925.68 and 1,850.34 is: 2,552.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,845.23 : 3,925.68 = 1,850.34 : x
  2. Step 2: Convert to fraction form
    2,845.23/3,925.68 = 1,850.34/x
  3. Step 3: Cross multiply
    2,845.23x = 3,925.68 × 1,850.34
  4. Step 4: Simplify right side
    2,845.23x = 7,263,842.73
  5. Step 5: Solve for x
    x = 7,263,842.73/2,845.23
  6. Step 6: Final answer
    x = 2,552.99

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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.