Home / 2,907.35-4,016-2,285.72

Finding the Fourth Proportional to 2,907.35, 4,016 and 2,285.72

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Solution

The fourth proportional to 2,907.35, 4,016 and 2,285.72 is: 3,157.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,907.35 : 4,016 = 2,285.72 : x
  2. Step 2: Convert to fraction form
    2,907.35/4,016 = 2,285.72/x
  3. Step 3: Cross multiply
    2,907.35x = 4,016 × 2,285.72
  4. Step 4: Simplify right side
    2,907.35x = 9,179,451.52
  5. Step 5: Solve for x
    x = 9,179,451.52/2,907.35
  6. Step 6: Final answer
    x = 3,157.33

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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.