Home / 5,021.76-7,527.52-2,097.12

Finding the Fourth Proportional to 5,021.76, 7,527.52 and 2,097.12

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Solution

The fourth proportional to 5,021.76, 7,527.52 and 2,097.12 is: 3,143.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,021.76 : 7,527.52 = 2,097.12 : x
  2. Step 2: Convert to fraction form
    5,021.76/7,527.52 = 2,097.12/x
  3. Step 3: Cross multiply
    5,021.76x = 7,527.52 × 2,097.12
  4. Step 4: Simplify right side
    5,021.76x = 15,786,112.74
  5. Step 5: Solve for x
    x = 15,786,112.74/5,021.76
  6. Step 6: Final answer
    x = 3,143.54

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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.