Home / 3,513.16-4,847.46-2,116

Finding the Fourth Proportional to 3,513.16, 4,847.46 and 2,116

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Solution

The fourth proportional to 3,513.16, 4,847.46 and 2,116 is: 2,919.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,513.16 : 4,847.46 = 2,116 : x
  2. Step 2: Convert to fraction form
    3,513.16/4,847.46 = 2,116/x
  3. Step 3: Cross multiply
    3,513.16x = 4,847.46 × 2,116
  4. Step 4: Simplify right side
    3,513.16x = 10,257,225.36
  5. Step 5: Solve for x
    x = 10,257,225.36/3,513.16
  6. Step 6: Final answer
    x = 2,919.66

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.