Home / 2,090.44-2,885.16-1,251.22

Finding the Fourth Proportional to 2,090.44, 2,885.16 and 1,251.22

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Solution

The fourth proportional to 2,090.44, 2,885.16 and 1,251.22 is: 1,726.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,090.44 : 2,885.16 = 1,251.22 : x
  2. Step 2: Convert to fraction form
    2,090.44/2,885.16 = 1,251.22/x
  3. Step 3: Cross multiply
    2,090.44x = 2,885.16 × 1,251.22
  4. Step 4: Simplify right side
    2,090.44x = 3,609,969.90
  5. Step 5: Solve for x
    x = 3,609,969.90/2,090.44
  6. Step 6: Final answer
    x = 1,726.89

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1.5x scale

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.