Home / 7,315.87-10,975.20-2,933.67

Finding the Fourth Proportional to 7,315.87, 10,975.20 and 2,933.67

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Solution

The fourth proportional to 7,315.87, 10,975.20 and 2,933.67 is: 4,401.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,315.87 : 10,975.20 = 2,933.67 : x
  2. Step 2: Convert to fraction form
    7,315.87/10,975.20 = 2,933.67/x
  3. Step 3: Cross multiply
    7,315.87x = 10,975.20 × 2,933.67
  4. Step 4: Simplify right side
    7,315.87x = 32,197,583.40
  5. Step 5: Solve for x
    x = 32,197,583.40/7,315.87
  6. Step 6: Final answer
    x = 4,401.06

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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.