Home / 2,912.14-4,368.82-1,610.88

Finding the Fourth Proportional to 2,912.14, 4,368.82 and 1,610.88

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Solution

The fourth proportional to 2,912.14, 4,368.82 and 1,610.88 is: 2,416.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,912.14 : 4,368.82 = 1,610.88 : x
  2. Step 2: Convert to fraction form
    2,912.14/4,368.82 = 1,610.88/x
  3. Step 3: Cross multiply
    2,912.14x = 4,368.82 × 1,610.88
  4. Step 4: Simplify right side
    2,912.14x = 7,037,644.76
  5. Step 5: Solve for x
    x = 7,037,644.76/2,912.14
  6. Step 6: Final answer
    x = 2,416.66

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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.