Home / 5,066.56-6,990.84-2,828.08

Finding the Fourth Proportional to 5,066.56, 6,990.84 and 2,828.08

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Solution

The fourth proportional to 5,066.56, 6,990.84 and 2,828.08 is: 3,902.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,066.56 : 6,990.84 = 2,828.08 : x
  2. Step 2: Convert to fraction form
    5,066.56/6,990.84 = 2,828.08/x
  3. Step 3: Cross multiply
    5,066.56x = 6,990.84 × 2,828.08
  4. Step 4: Simplify right side
    5,066.56x = 19,770,663.53
  5. Step 5: Solve for x
    x = 19,770,663.53/5,066.56
  6. Step 6: Final answer
    x = 3,902.19

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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.