Home / 2,984.59-4,116.36-1,922.44

Finding the Fourth Proportional to 2,984.59, 4,116.36 and 1,922.44

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Solution

The fourth proportional to 2,984.59, 4,116.36 and 1,922.44 is: 2,651.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,984.59 : 4,116.36 = 1,922.44 : x
  2. Step 2: Convert to fraction form
    2,984.59/4,116.36 = 1,922.44/x
  3. Step 3: Cross multiply
    2,984.59x = 4,116.36 × 1,922.44
  4. Step 4: Simplify right side
    2,984.59x = 7,913,455.12
  5. Step 5: Solve for x
    x = 7,913,455.12/2,984.59
  6. Step 6: Final answer
    x = 2,651.44

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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.