Home / 3,531.28-5,292.60-2,071.48

Finding the Fourth Proportional to 3,531.28, 5,292.60 and 2,071.48

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Solution

The fourth proportional to 3,531.28, 5,292.60 and 2,071.48 is: 3,104.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,531.28 : 5,292.60 = 2,071.48 : x
  2. Step 2: Convert to fraction form
    3,531.28/5,292.60 = 2,071.48/x
  3. Step 3: Cross multiply
    3,531.28x = 5,292.60 × 2,071.48
  4. Step 4: Simplify right side
    3,531.28x = 10,963,515.05
  5. Step 5: Solve for x
    x = 10,963,515.05/3,531.28
  6. Step 6: Final answer
    x = 3,104.69

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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.