Home / 3,245.73-4,869.36-1,054.28

Finding the Fourth Proportional to 3,245.73, 4,869.36 and 1,054.28

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Solution

The fourth proportional to 3,245.73, 4,869.36 and 1,054.28 is: 1,581.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,245.73 : 4,869.36 = 1,054.28 : x
  2. Step 2: Convert to fraction form
    3,245.73/4,869.36 = 1,054.28/x
  3. Step 3: Cross multiply
    3,245.73x = 4,869.36 × 1,054.28
  4. Step 4: Simplify right side
    3,245.73x = 5,133,644.51
  5. Step 5: Solve for x
    x = 5,133,644.51/3,245.73
  6. Step 6: Final answer
    x = 1,581.66

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.