Home / 2,974.42-4,104.64-1,648.06

Finding the Fourth Proportional to 2,974.42, 4,104.64 and 1,648.06

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Solution

The fourth proportional to 2,974.42, 4,104.64 and 1,648.06 is: 2,274.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,974.42 : 4,104.64 = 1,648.06 : x
  2. Step 2: Convert to fraction form
    2,974.42/4,104.64 = 1,648.06/x
  3. Step 3: Cross multiply
    2,974.42x = 4,104.64 × 1,648.06
  4. Step 4: Simplify right side
    2,974.42x = 6,764,693.00
  5. Step 5: Solve for x
    x = 6,764,693.00/2,974.42
  6. Step 6: Final answer
    x = 2,274.29

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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.