Home / 5,407.03-8,111.91-1,511.44

Finding the Fourth Proportional to 5,407.03, 8,111.91 and 1,511.44

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Solution

The fourth proportional to 5,407.03, 8,111.91 and 1,511.44 is: 2,267.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,407.03 : 8,111.91 = 1,511.44 : x
  2. Step 2: Convert to fraction form
    5,407.03/8,111.91 = 1,511.44/x
  3. Step 3: Cross multiply
    5,407.03x = 8,111.91 × 1,511.44
  4. Step 4: Simplify right side
    5,407.03x = 12,260,650.64
  5. Step 5: Solve for x
    x = 12,260,650.64/5,407.03
  6. Step 6: Final answer
    x = 2,267.54

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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.