Home / 7,092.20-10,638.66-2,709.02

Finding the Fourth Proportional to 7,092.20, 10,638.66 and 2,709.02

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Solution

The fourth proportional to 7,092.20, 10,638.66 and 2,709.02 is: 4,063.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,092.20 : 10,638.66 = 2,709.02 : x
  2. Step 2: Convert to fraction form
    7,092.20/10,638.66 = 2,709.02/x
  3. Step 3: Cross multiply
    7,092.20x = 10,638.66 × 2,709.02
  4. Step 4: Simplify right side
    7,092.20x = 28,820,342.71
  5. Step 5: Solve for x
    x = 28,820,342.71/7,092.20
  6. Step 6: Final answer
    x = 4,063.67

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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.