Home / 7,313.21-10,092.18-3,956.02

Finding the Fourth Proportional to 7,313.21, 10,092.18 and 3,956.02

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Solution

The fourth proportional to 7,313.21, 10,092.18 and 3,956.02 is: 5,459.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,313.21 : 10,092.18 = 3,956.02 : x
  2. Step 2: Convert to fraction form
    7,313.21/10,092.18 = 3,956.02/x
  3. Step 3: Cross multiply
    7,313.21x = 10,092.18 × 3,956.02
  4. Step 4: Simplify right side
    7,313.21x = 39,924,865.92
  5. Step 5: Solve for x
    x = 39,924,865.92/7,313.21
  6. Step 6: Final answer
    x = 5,459.28

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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.