Home / 3,587.44-5,381.39-1,122.96

Finding the Fourth Proportional to 3,587.44, 5,381.39 and 1,122.96

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Solution

The fourth proportional to 3,587.44, 5,381.39 and 1,122.96 is: 1,684.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,587.44 : 5,381.39 = 1,122.96 : x
  2. Step 2: Convert to fraction form
    3,587.44/5,381.39 = 1,122.96/x
  3. Step 3: Cross multiply
    3,587.44x = 5,381.39 × 1,122.96
  4. Step 4: Simplify right side
    3,587.44x = 6,043,102.39
  5. Step 5: Solve for x
    x = 6,043,102.39/3,587.44
  6. Step 6: Final answer
    x = 1,684.52

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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.