Home / 3,956.48-5,459.84-2,188.04

Finding the Fourth Proportional to 3,956.48, 5,459.84 and 2,188.04

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Solution

The fourth proportional to 3,956.48, 5,459.84 and 2,188.04 is: 3,019.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,956.48 : 5,459.84 = 2,188.04 : x
  2. Step 2: Convert to fraction form
    3,956.48/5,459.84 = 2,188.04/x
  3. Step 3: Cross multiply
    3,956.48x = 5,459.84 × 2,188.04
  4. Step 4: Simplify right side
    3,956.48x = 11,946,348.31
  5. Step 5: Solve for x
    x = 11,946,348.31/3,956.48
  6. Step 6: Final answer
    x = 3,019.44

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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.