Home / 3,087.98-4,272.48-2,696.14

Finding the Fourth Proportional to 3,087.98, 4,272.48 and 2,696.14

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Solution

The fourth proportional to 3,087.98, 4,272.48 and 2,696.14 is: 3,730.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,087.98 : 4,272.48 = 2,696.14 : x
  2. Step 2: Convert to fraction form
    3,087.98/4,272.48 = 2,696.14/x
  3. Step 3: Cross multiply
    3,087.98x = 4,272.48 × 2,696.14
  4. Step 4: Simplify right side
    3,087.98x = 11,519,193.55
  5. Step 5: Solve for x
    x = 11,519,193.55/3,087.98
  6. Step 6: Final answer
    x = 3,730.34

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1.5x scale

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.