Home / 2,213.04-3,319.74-674.04

Finding the Fourth Proportional to 2,213.04, 3,319.74 and 674.04

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Solution

The fourth proportional to 2,213.04, 3,319.74 and 674.04 is: 1,011.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,213.04 : 3,319.74 = 674.04 : x
  2. Step 2: Convert to fraction form
    2,213.04/3,319.74 = 674.04/x
  3. Step 3: Cross multiply
    2,213.04x = 3,319.74 × 674.04
  4. Step 4: Simplify right side
    2,213.04x = 2,237,637.55
  5. Step 5: Solve for x
    x = 2,237,637.55/2,213.04
  6. Step 6: Final answer
    x = 1,011.11

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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.