Home / 5,406.66-8,110.68-1,511.10

Finding the Fourth Proportional to 5,406.66, 8,110.68 and 1,511.10

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Solution

The fourth proportional to 5,406.66, 8,110.68 and 1,511.10 is: 2,266.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,406.66 : 8,110.68 = 1,511.10 : x
  2. Step 2: Convert to fraction form
    5,406.66/8,110.68 = 1,511.10/x
  3. Step 3: Cross multiply
    5,406.66x = 8,110.68 × 1,511.10
  4. Step 4: Simplify right side
    5,406.66x = 12,256,048.55
  5. Step 5: Solve for x
    x = 12,256,048.55/5,406.66
  6. Step 6: Final answer
    x = 2,266.84

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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.