Home / 5,271.30-7,273.26-3,175.38

Finding the Fourth Proportional to 5,271.30, 7,273.26 and 3,175.38

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Solution

The fourth proportional to 5,271.30, 7,273.26 and 3,175.38 is: 4,381.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,271.30 : 7,273.26 = 3,175.38 : x
  2. Step 2: Convert to fraction form
    5,271.30/7,273.26 = 3,175.38/x
  3. Step 3: Cross multiply
    5,271.30x = 7,273.26 × 3,175.38
  4. Step 4: Simplify right side
    5,271.30x = 23,095,364.34
  5. Step 5: Solve for x
    x = 23,095,364.34/5,271.30
  6. Step 6: Final answer
    x = 4,381.34

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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.