Home / 1,876.28-2,589.39-1,090.44

Finding the Fourth Proportional to 1,876.28, 2,589.39 and 1,090.44

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Solution

The fourth proportional to 1,876.28, 2,589.39 and 1,090.44 is: 1,504.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,876.28 : 2,589.39 = 1,090.44 : x
  2. Step 2: Convert to fraction form
    1,876.28/2,589.39 = 1,090.44/x
  3. Step 3: Cross multiply
    1,876.28x = 2,589.39 × 1,090.44
  4. Step 4: Simplify right side
    1,876.28x = 2,823,574.43
  5. Step 5: Solve for x
    x = 2,823,574.43/1,876.28
  6. Step 6: Final answer
    x = 1,504.88

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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.