Home / 3,914.20-5,873.38-1,966.36

Finding the Fourth Proportional to 3,914.20, 5,873.38 and 1,966.36

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Solution

The fourth proportional to 3,914.20, 5,873.38 and 1,966.36 is: 2,950.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,914.20 : 5,873.38 = 1,966.36 : x
  2. Step 2: Convert to fraction form
    3,914.20/5,873.38 = 1,966.36/x
  3. Step 3: Cross multiply
    3,914.20x = 5,873.38 × 1,966.36
  4. Step 4: Simplify right side
    3,914.20x = 11,549,179.50
  5. Step 5: Solve for x
    x = 11,549,179.50/3,914.20
  6. Step 6: Final answer
    x = 2,950.58

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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.