Home / 3,558.08-5,337.75-1,218.34

Finding the Fourth Proportional to 3,558.08, 5,337.75 and 1,218.34

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Solution

The fourth proportional to 3,558.08, 5,337.75 and 1,218.34 is: 1,827.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,558.08 : 5,337.75 = 1,218.34 : x
  2. Step 2: Convert to fraction form
    3,558.08/5,337.75 = 1,218.34/x
  3. Step 3: Cross multiply
    3,558.08x = 5,337.75 × 1,218.34
  4. Step 4: Simplify right side
    3,558.08x = 6,503,194.34
  5. Step 5: Solve for x
    x = 6,503,194.34/3,558.08
  6. Step 6: Final answer
    x = 1,827.73

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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.