Home / 2,311.25-3,192.99-1,516.46

Finding the Fourth Proportional to 2,311.25, 3,192.99 and 1,516.46

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Solution

The fourth proportional to 2,311.25, 3,192.99 and 1,516.46 is: 2,094.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,311.25 : 3,192.99 = 1,516.46 : x
  2. Step 2: Convert to fraction form
    2,311.25/3,192.99 = 1,516.46/x
  3. Step 3: Cross multiply
    2,311.25x = 3,192.99 × 1,516.46
  4. Step 4: Simplify right side
    2,311.25x = 4,842,041.62
  5. Step 5: Solve for x
    x = 4,842,041.62/2,311.25
  6. Step 6: Final answer
    x = 2,094.99

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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.