Home / 2,895.05-3,995.33-1,636.16

Finding the Fourth Proportional to 2,895.05, 3,995.33 and 1,636.16

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Solution

The fourth proportional to 2,895.05, 3,995.33 and 1,636.16 is: 2,257.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,895.05 : 3,995.33 = 1,636.16 : x
  2. Step 2: Convert to fraction form
    2,895.05/3,995.33 = 1,636.16/x
  3. Step 3: Cross multiply
    2,895.05x = 3,995.33 × 1,636.16
  4. Step 4: Simplify right side
    2,895.05x = 6,536,970.98
  5. Step 5: Solve for x
    x = 6,536,970.98/2,895.05
  6. Step 6: Final answer
    x = 2,257.98

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