Home / 7,975.40-11,956.01-4,021.52

Finding the Fourth Proportional to 7,975.40, 11,956.01 and 4,021.52

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Solution

The fourth proportional to 7,975.40, 11,956.01 and 4,021.52 is: 6,028.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,975.40 : 11,956.01 = 4,021.52 : x
  2. Step 2: Convert to fraction form
    7,975.40/11,956.01 = 4,021.52/x
  3. Step 3: Cross multiply
    7,975.40x = 11,956.01 × 4,021.52
  4. Step 4: Simplify right side
    7,975.40x = 48,081,253.45
  5. Step 5: Solve for x
    x = 48,081,253.45/7,975.40
  6. Step 6: Final answer
    x = 6,028.70

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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.