Home / 2,090.16-3,133.92-1,049.88

Finding the Fourth Proportional to 2,090.16, 3,133.92 and 1,049.88

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Solution

The fourth proportional to 2,090.16, 3,133.92 and 1,049.88 is: 1,574.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,090.16 : 3,133.92 = 1,049.88 : x
  2. Step 2: Convert to fraction form
    2,090.16/3,133.92 = 1,049.88/x
  3. Step 3: Cross multiply
    2,090.16x = 3,133.92 × 1,049.88
  4. Step 4: Simplify right side
    2,090.16x = 3,290,239.93
  5. Step 5: Solve for x
    x = 3,290,239.93/2,090.16
  6. Step 6: Final answer
    x = 1,574.16

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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.