Home / 5,366.20-8,051.58-3,422.20

Finding the Fourth Proportional to 5,366.20, 8,051.58 and 3,422.20

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Solution

The fourth proportional to 5,366.20, 8,051.58 and 3,422.20 is: 5,134.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,366.20 : 8,051.58 = 3,422.20 : x
  2. Step 2: Convert to fraction form
    5,366.20/8,051.58 = 3,422.20/x
  3. Step 3: Cross multiply
    5,366.20x = 8,051.58 × 3,422.20
  4. Step 4: Simplify right side
    5,366.20x = 27,554,117.08
  5. Step 5: Solve for x
    x = 27,554,117.08/5,366.20
  6. Step 6: Final answer
    x = 5,134.75

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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.