Home / 5,186.06-7,776.78-1,896.86

Finding the Fourth Proportional to 5,186.06, 7,776.78 and 1,896.86

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Solution

The fourth proportional to 5,186.06, 7,776.78 and 1,896.86 is: 2,844.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,186.06 : 7,776.78 = 1,896.86 : x
  2. Step 2: Convert to fraction form
    5,186.06/7,776.78 = 1,896.86/x
  3. Step 3: Cross multiply
    5,186.06x = 7,776.78 × 1,896.86
  4. Step 4: Simplify right side
    5,186.06x = 14,751,462.91
  5. Step 5: Solve for x
    x = 14,751,462.91/5,186.06
  6. Step 6: Final answer
    x = 2,844.45

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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.