Home / 2,553.45-3,523.96-1,434.46

Finding the Fourth Proportional to 2,553.45, 3,523.96 and 1,434.46

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Solution

The fourth proportional to 2,553.45, 3,523.96 and 1,434.46 is: 1,979.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,553.45 : 3,523.96 = 1,434.46 : x
  2. Step 2: Convert to fraction form
    2,553.45/3,523.96 = 1,434.46/x
  3. Step 3: Cross multiply
    2,553.45x = 3,523.96 × 1,434.46
  4. Step 4: Simplify right side
    2,553.45x = 5,054,979.66
  5. Step 5: Solve for x
    x = 5,054,979.66/2,553.45
  6. Step 6: Final answer
    x = 1,979.67

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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.