Home / 3,759.96-5,188.36-2,080.92

Finding the Fourth Proportional to 3,759.96, 5,188.36 and 2,080.92

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Solution

The fourth proportional to 3,759.96, 5,188.36 and 2,080.92 is: 2,871.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,759.96 : 5,188.36 = 2,080.92 : x
  2. Step 2: Convert to fraction form
    3,759.96/5,188.36 = 2,080.92/x
  3. Step 3: Cross multiply
    3,759.96x = 5,188.36 × 2,080.92
  4. Step 4: Simplify right side
    3,759.96x = 10,796,586.10
  5. Step 5: Solve for x
    x = 10,796,586.10/3,759.96
  6. Step 6: Final answer
    x = 2,871.46

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1.5x scale

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.