Home / 5,455.36-8,182.83-1,757.61

Finding the Fourth Proportional to 5,455.36, 8,182.83 and 1,757.61

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Solution

The fourth proportional to 5,455.36, 8,182.83 and 1,757.61 is: 2,636.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,455.36 : 8,182.83 = 1,757.61 : x
  2. Step 2: Convert to fraction form
    5,455.36/8,182.83 = 1,757.61/x
  3. Step 3: Cross multiply
    5,455.36x = 8,182.83 × 1,757.61
  4. Step 4: Simplify right side
    5,455.36x = 14,382,230.43
  5. Step 5: Solve for x
    x = 14,382,230.43/5,455.36
  6. Step 6: Final answer
    x = 2,636.35

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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.