Home / 5,650.72-8,471.12-2,185.60

Finding the Fourth Proportional to 5,650.72, 8,471.12 and 2,185.60

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Solution

The fourth proportional to 5,650.72, 8,471.12 and 2,185.60 is: 3,276.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,650.72 : 8,471.12 = 2,185.60 : x
  2. Step 2: Convert to fraction form
    5,650.72/8,471.12 = 2,185.60/x
  3. Step 3: Cross multiply
    5,650.72x = 8,471.12 × 2,185.60
  4. Step 4: Simplify right side
    5,650.72x = 18,514,479.87
  5. Step 5: Solve for x
    x = 18,514,479.87/5,650.72
  6. Step 6: Final answer
    x = 3,276.48

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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.