Home / 1,712.72-2,362.44-1,049.33

Finding the Fourth Proportional to 1,712.72, 2,362.44 and 1,049.33

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Solution

The fourth proportional to 1,712.72, 2,362.44 and 1,049.33 is: 1,447.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,712.72 : 2,362.44 = 1,049.33 : x
  2. Step 2: Convert to fraction form
    1,712.72/2,362.44 = 1,049.33/x
  3. Step 3: Cross multiply
    1,712.72x = 2,362.44 × 1,049.33
  4. Step 4: Simplify right side
    1,712.72x = 2,478,979.17
  5. Step 5: Solve for x
    x = 2,478,979.17/1,712.72
  6. Step 6: Final answer
    x = 1,447.39

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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.