Home / 2,759.64-4,129.86-2,260.26

Finding the Fourth Proportional to 2,759.64, 4,129.86 and 2,260.26

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Solution

The fourth proportional to 2,759.64, 4,129.86 and 2,260.26 is: 3,382.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,759.64 : 4,129.86 = 2,260.26 : x
  2. Step 2: Convert to fraction form
    2,759.64/4,129.86 = 2,260.26/x
  3. Step 3: Cross multiply
    2,759.64x = 4,129.86 × 2,260.26
  4. Step 4: Simplify right side
    2,759.64x = 9,334,557.36
  5. Step 5: Solve for x
    x = 9,334,557.36/2,759.64
  6. Step 6: Final answer
    x = 3,382.53

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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.