Home / 7,135.56-10,697.68-3,622.33

Finding the Fourth Proportional to 7,135.56, 10,697.68 and 3,622.33

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Solution

The fourth proportional to 7,135.56, 10,697.68 and 3,622.33 is: 5,430.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,135.56 : 10,697.68 = 3,622.33 : x
  2. Step 2: Convert to fraction form
    7,135.56/10,697.68 = 3,622.33/x
  3. Step 3: Cross multiply
    7,135.56x = 10,697.68 × 3,622.33
  4. Step 4: Simplify right side
    7,135.56x = 38,750,527.19
  5. Step 5: Solve for x
    x = 38,750,527.19/7,135.56
  6. Step 6: Final answer
    x = 5,430.62

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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.