Home / 7,291.74-10,939.50-2,098.02

Finding the Fourth Proportional to 7,291.74, 10,939.50 and 2,098.02

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Solution

The fourth proportional to 7,291.74, 10,939.50 and 2,098.02 is: 3,147.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,291.74 : 10,939.50 = 2,098.02 : x
  2. Step 2: Convert to fraction form
    7,291.74/10,939.50 = 2,098.02/x
  3. Step 3: Cross multiply
    7,291.74x = 10,939.50 × 2,098.02
  4. Step 4: Simplify right side
    7,291.74x = 22,951,289.79
  5. Step 5: Solve for x
    x = 22,951,289.79/7,291.74
  6. Step 6: Final answer
    x = 3,147.57

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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.