Home / 7,091.25-10,635.65-1,895.91

Finding the Fourth Proportional to 7,091.25, 10,635.65 and 1,895.91

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Solution

The fourth proportional to 7,091.25, 10,635.65 and 1,895.91 is: 2,843.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,091.25 : 10,635.65 = 1,895.91 : x
  2. Step 2: Convert to fraction form
    7,091.25/10,635.65 = 1,895.91/x
  3. Step 3: Cross multiply
    7,091.25x = 10,635.65 × 1,895.91
  4. Step 4: Simplify right side
    7,091.25x = 20,164,203.60
  5. Step 5: Solve for x
    x = 20,164,203.60/7,091.25
  6. Step 6: Final answer
    x = 2,843.53

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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.