Home / 2,581.30-3,873.32-1,968.94

Finding the Fourth Proportional to 2,581.30, 3,873.32 and 1,968.94

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Solution

The fourth proportional to 2,581.30, 3,873.32 and 1,968.94 is: 2,954.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,581.30 : 3,873.32 = 1,968.94 : x
  2. Step 2: Convert to fraction form
    2,581.30/3,873.32 = 1,968.94/x
  3. Step 3: Cross multiply
    2,581.30x = 3,873.32 × 1,968.94
  4. Step 4: Simplify right side
    2,581.30x = 7,626,337.06
  5. Step 5: Solve for x
    x = 7,626,337.06/2,581.30
  6. Step 6: Final answer
    x = 2,954.45

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.