Home / 2,840.63-3,918.99-2,096.37

Finding the Fourth Proportional to 2,840.63, 3,918.99 and 2,096.37

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Solution

The fourth proportional to 2,840.63, 3,918.99 and 2,096.37 is: 2,892.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,840.63 : 3,918.99 = 2,096.37 : x
  2. Step 2: Convert to fraction form
    2,840.63/3,918.99 = 2,096.37/x
  3. Step 3: Cross multiply
    2,840.63x = 3,918.99 × 2,096.37
  4. Step 4: Simplify right side
    2,840.63x = 8,215,653.07
  5. Step 5: Solve for x
    x = 8,215,653.07/2,840.63
  6. Step 6: Final answer
    x = 2,892.19

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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.