Home / 5,574.12-7,694.92-3,215.86

Finding the Fourth Proportional to 5,574.12, 7,694.92 and 3,215.86

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Solution

The fourth proportional to 5,574.12, 7,694.92 and 3,215.86 is: 4,439.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,574.12 : 7,694.92 = 3,215.86 : x
  2. Step 2: Convert to fraction form
    5,574.12/7,694.92 = 3,215.86/x
  3. Step 3: Cross multiply
    5,574.12x = 7,694.92 × 3,215.86
  4. Step 4: Simplify right side
    5,574.12x = 24,745,785.43
  5. Step 5: Solve for x
    x = 24,745,785.43/5,574.12
  6. Step 6: Final answer
    x = 4,439.41

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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.