Home / 5,181.16-7,766.20-2,056.84

Finding the Fourth Proportional to 5,181.16, 7,766.20 and 2,056.84

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Solution

The fourth proportional to 5,181.16, 7,766.20 and 2,056.84 is: 3,083.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,181.16 : 7,766.20 = 2,056.84 : x
  2. Step 2: Convert to fraction form
    5,181.16/7,766.20 = 2,056.84/x
  3. Step 3: Cross multiply
    5,181.16x = 7,766.20 × 2,056.84
  4. Step 4: Simplify right side
    5,181.16x = 15,973,830.81
  5. Step 5: Solve for x
    x = 15,973,830.81/5,181.16
  6. Step 6: Final answer
    x = 3,083.06

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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.