Home / 5,133.88-7,084.75-2,776.02

Finding the Fourth Proportional to 5,133.88, 7,084.75 and 2,776.02

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Solution

The fourth proportional to 5,133.88, 7,084.75 and 2,776.02 is: 3,830.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,133.88 : 7,084.75 = 2,776.02 : x
  2. Step 2: Convert to fraction form
    5,133.88/7,084.75 = 2,776.02/x
  3. Step 3: Cross multiply
    5,133.88x = 7,084.75 × 2,776.02
  4. Step 4: Simplify right side
    5,133.88x = 19,667,372.27
  5. Step 5: Solve for x
    x = 19,667,372.27/5,133.88
  6. Step 6: Final answer
    x = 3,830.90

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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.