Home / 2,060.12-3,090.23-673.40

Finding the Fourth Proportional to 2,060.12, 3,090.23 and 673.40

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Solution

The fourth proportional to 2,060.12, 3,090.23 and 673.40 is: 1,010.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,060.12 : 3,090.23 = 673.40 : x
  2. Step 2: Convert to fraction form
    2,060.12/3,090.23 = 673.40/x
  3. Step 3: Cross multiply
    2,060.12x = 3,090.23 × 673.40
  4. Step 4: Simplify right side
    2,060.12x = 2,080,960.88
  5. Step 5: Solve for x
    x = 2,080,960.88/2,060.12
  6. Step 6: Final answer
    x = 1,010.12

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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.