Home / 2,993.28-4,485.36-2,015.76

Finding the Fourth Proportional to 2,993.28, 4,485.36 and 2,015.76

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Solution

The fourth proportional to 2,993.28, 4,485.36 and 2,015.76 is: 3,020.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,993.28 : 4,485.36 = 2,015.76 : x
  2. Step 2: Convert to fraction form
    2,993.28/4,485.36 = 2,015.76/x
  3. Step 3: Cross multiply
    2,993.28x = 4,485.36 × 2,015.76
  4. Step 4: Simplify right side
    2,993.28x = 9,041,409.27
  5. Step 5: Solve for x
    x = 9,041,409.27/2,993.28
  6. Step 6: Final answer
    x = 3,020.57

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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.