Home / 7,161.43-10,735.66-2,543.35

Finding the Fourth Proportional to 7,161.43, 10,735.66 and 2,543.35

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Solution

The fourth proportional to 7,161.43, 10,735.66 and 2,543.35 is: 3,812.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,161.43 : 10,735.66 = 2,543.35 : x
  2. Step 2: Convert to fraction form
    7,161.43/10,735.66 = 2,543.35/x
  3. Step 3: Cross multiply
    7,161.43x = 10,735.66 × 2,543.35
  4. Step 4: Simplify right side
    7,161.43x = 27,304,540.86
  5. Step 5: Solve for x
    x = 27,304,540.86/7,161.43
  6. Step 6: Final answer
    x = 3,812.72

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1.5x scale

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.