Home / 2,601.24-3,899.62-1,777.06

Finding the Fourth Proportional to 2,601.24, 3,899.62 and 1,777.06

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Solution

The fourth proportional to 2,601.24, 3,899.62 and 1,777.06 is: 2,664.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,601.24 : 3,899.62 = 1,777.06 : x
  2. Step 2: Convert to fraction form
    2,601.24/3,899.62 = 1,777.06/x
  3. Step 3: Cross multiply
    2,601.24x = 3,899.62 × 1,777.06
  4. Step 4: Simplify right side
    2,601.24x = 6,929,858.72
  5. Step 5: Solve for x
    x = 6,929,858.72/2,601.24
  6. Step 6: Final answer
    x = 2,664.06

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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.