Home / 5,056.12-6,977.43-2,817.97

Finding the Fourth Proportional to 5,056.12, 6,977.43 and 2,817.97

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Solution

The fourth proportional to 5,056.12, 6,977.43 and 2,817.97 is: 3,888.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,056.12 : 6,977.43 = 2,817.97 : x
  2. Step 2: Convert to fraction form
    5,056.12/6,977.43 = 2,817.97/x
  3. Step 3: Cross multiply
    5,056.12x = 6,977.43 × 2,817.97
  4. Step 4: Simplify right side
    5,056.12x = 19,662,188.42
  5. Step 5: Solve for x
    x = 19,662,188.42/5,056.12
  6. Step 6: Final answer
    x = 3,888.79

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.