Home / 5,133.91-7,084.79-2,776.04

Finding the Fourth Proportional to 5,133.91, 7,084.79 and 2,776.04

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Solution

The fourth proportional to 5,133.91, 7,084.79 and 2,776.04 is: 3,830.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,133.91 : 7,084.79 = 2,776.04 : x
  2. Step 2: Convert to fraction form
    5,133.91/7,084.79 = 2,776.04/x
  3. Step 3: Cross multiply
    5,133.91x = 7,084.79 × 2,776.04
  4. Step 4: Simplify right side
    5,133.91x = 19,667,664.26
  5. Step 5: Solve for x
    x = 19,667,664.26/5,133.91
  6. Step 6: Final answer
    x = 3,830.93

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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.