Home / 3,085.56-4,257.83-1,759.01

Finding the Fourth Proportional to 3,085.56, 4,257.83 and 1,759.01

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Solution

The fourth proportional to 3,085.56, 4,257.83 and 1,759.01 is: 2,427.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,085.56 : 4,257.83 = 1,759.01 : x
  2. Step 2: Convert to fraction form
    3,085.56/4,257.83 = 1,759.01/x
  3. Step 3: Cross multiply
    3,085.56x = 4,257.83 × 1,759.01
  4. Step 4: Simplify right side
    3,085.56x = 7,489,535.46
  5. Step 5: Solve for x
    x = 7,489,535.46/3,085.56
  6. Step 6: Final answer
    x = 2,427.29

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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.