Home / 2,553.36-3,523.56-1,434.30

Finding the Fourth Proportional to 2,553.36, 3,523.56 and 1,434.30

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Solution

The fourth proportional to 2,553.36, 3,523.56 and 1,434.30 is: 1,979.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,553.36 : 3,523.56 = 1,434.30 : x
  2. Step 2: Convert to fraction form
    2,553.36/3,523.56 = 1,434.30/x
  3. Step 3: Cross multiply
    2,553.36x = 3,523.56 × 1,434.30
  4. Step 4: Simplify right side
    2,553.36x = 5,053,842.11
  5. Step 5: Solve for x
    x = 5,053,842.11/2,553.36
  6. Step 6: Final answer
    x = 1,979.29

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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.