Home / 3,179.58-4,387.75-1,763.26

Finding the Fourth Proportional to 3,179.58, 4,387.75 and 1,763.26

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Solution

The fourth proportional to 3,179.58, 4,387.75 and 1,763.26 is: 2,433.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,179.58 : 4,387.75 = 1,763.26 : x
  2. Step 2: Convert to fraction form
    3,179.58/4,387.75 = 1,763.26/x
  3. Step 3: Cross multiply
    3,179.58x = 4,387.75 × 1,763.26
  4. Step 4: Simplify right side
    3,179.58x = 7,736,744.07
  5. Step 5: Solve for x
    x = 7,736,744.07/3,179.58
  6. Step 6: Final answer
    x = 2,433.26

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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.