Home / 4,071.07-6,105.75-1,148.59

Finding the Fourth Proportional to 4,071.07, 6,105.75 and 1,148.59

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Solution

The fourth proportional to 4,071.07, 6,105.75 and 1,148.59 is: 1,722.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,071.07 : 6,105.75 = 1,148.59 : x
  2. Step 2: Convert to fraction form
    4,071.07/6,105.75 = 1,148.59/x
  3. Step 3: Cross multiply
    4,071.07x = 6,105.75 × 1,148.59
  4. Step 4: Simplify right side
    4,071.07x = 7,013,003.39
  5. Step 5: Solve for x
    x = 7,013,003.39/4,071.07
  6. Step 6: Final answer
    x = 1,722.64

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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.