Home / 5,181.96-7,737.84-4,511.28

Finding the Fourth Proportional to 5,181.96, 7,737.84 and 4,511.28

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Solution

The fourth proportional to 5,181.96, 7,737.84 and 4,511.28 is: 6,736.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,181.96 : 7,737.84 = 4,511.28 : x
  2. Step 2: Convert to fraction form
    5,181.96/7,737.84 = 4,511.28/x
  3. Step 3: Cross multiply
    5,181.96x = 7,737.84 × 4,511.28
  4. Step 4: Simplify right side
    5,181.96x = 34,907,562.84
  5. Step 5: Solve for x
    x = 34,907,562.84/5,181.96
  6. Step 6: Final answer
    x = 6,736.36

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.