Home / 5,406.44-8,108.76-1,511.24

Finding the Fourth Proportional to 5,406.44, 8,108.76 and 1,511.24

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Solution

The fourth proportional to 5,406.44, 8,108.76 and 1,511.24 is: 2,266.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,406.44 : 8,108.76 = 1,511.24 : x
  2. Step 2: Convert to fraction form
    5,406.44/8,108.76 = 1,511.24/x
  3. Step 3: Cross multiply
    5,406.44x = 8,108.76 × 1,511.24
  4. Step 4: Simplify right side
    5,406.44x = 12,254,282.46
  5. Step 5: Solve for x
    x = 12,254,282.46/5,406.44
  6. Step 6: Final answer
    x = 2,266.61

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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.