Home / 2,964.20-4,090.62-2,069.24

Finding the Fourth Proportional to 2,964.20, 4,090.62 and 2,069.24

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Solution

The fourth proportional to 2,964.20, 4,090.62 and 2,069.24 is: 2,855.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,964.20 : 4,090.62 = 2,069.24 : x
  2. Step 2: Convert to fraction form
    2,964.20/4,090.62 = 2,069.24/x
  3. Step 3: Cross multiply
    2,964.20x = 4,090.62 × 2,069.24
  4. Step 4: Simplify right side
    2,964.20x = 8,464,454.08
  5. Step 5: Solve for x
    x = 8,464,454.08/2,964.20
  6. Step 6: Final answer
    x = 2,855.57

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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.