Home / 5,191.03-7,786.55-1,295.43

Finding the Fourth Proportional to 5,191.03, 7,786.55 and 1,295.43

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Solution

The fourth proportional to 5,191.03, 7,786.55 and 1,295.43 is: 1,943.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,191.03 : 7,786.55 = 1,295.43 : x
  2. Step 2: Convert to fraction form
    5,191.03/7,786.55 = 1,295.43/x
  3. Step 3: Cross multiply
    5,191.03x = 7,786.55 × 1,295.43
  4. Step 4: Simplify right side
    5,191.03x = 10,086,930.47
  5. Step 5: Solve for x
    x = 10,086,930.47/5,191.03
  6. Step 6: Final answer
    x = 1,943.15

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Double scale
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Similar ratio
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1.5x scale

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.