Home / 7,072.07-10,602.60-3,173.75

Finding the Fourth Proportional to 7,072.07, 10,602.60 and 3,173.75

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Solution

The fourth proportional to 7,072.07, 10,602.60 and 3,173.75 is: 4,758.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,072.07 : 10,602.60 = 3,173.75 : x
  2. Step 2: Convert to fraction form
    7,072.07/10,602.60 = 3,173.75/x
  3. Step 3: Cross multiply
    7,072.07x = 10,602.60 × 3,173.75
  4. Step 4: Simplify right side
    7,072.07x = 33,650,001.75
  5. Step 5: Solve for x
    x = 33,650,001.75/7,072.07
  6. Step 6: Final answer
    x = 4,758.15

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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.