Home / 4,621.87-6,932.80-1,159.12

Finding the Fourth Proportional to 4,621.87, 6,932.80 and 1,159.12

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Solution

The fourth proportional to 4,621.87, 6,932.80 and 1,159.12 is: 1,738.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,621.87 : 6,932.80 = 1,159.12 : x
  2. Step 2: Convert to fraction form
    4,621.87/6,932.80 = 1,159.12/x
  3. Step 3: Cross multiply
    4,621.87x = 6,932.80 × 1,159.12
  4. Step 4: Simplify right side
    4,621.87x = 8,035,912.47
  5. Step 5: Solve for x
    x = 8,035,912.47/4,621.87
  6. Step 6: Final answer
    x = 1,738.67

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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.