Home / 5,292.59-7,939.80-2,174.29

Finding the Fourth Proportional to 5,292.59, 7,939.80 and 2,174.29

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Solution

The fourth proportional to 5,292.59, 7,939.80 and 2,174.29 is: 3,261.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,292.59 : 7,939.80 = 2,174.29 : x
  2. Step 2: Convert to fraction form
    5,292.59/7,939.80 = 2,174.29/x
  3. Step 3: Cross multiply
    5,292.59x = 7,939.80 × 2,174.29
  4. Step 4: Simplify right side
    5,292.59x = 17,263,407.89
  5. Step 5: Solve for x
    x = 17,263,407.89/5,292.59
  6. Step 6: Final answer
    x = 3,261.81

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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.