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Finding the Fourth Proportional to 5,011.71, 6,915.97 and 2,743.10

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Solution

The fourth proportional to 5,011.71, 6,915.97 and 2,743.10 is: 3,785.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,011.71 : 6,915.97 = 2,743.10 : x
  2. Step 2: Convert to fraction form
    5,011.71/6,915.97 = 2,743.10/x
  3. Step 3: Cross multiply
    5,011.71x = 6,915.97 × 2,743.10
  4. Step 4: Simplify right side
    5,011.71x = 18,971,176.66
  5. Step 5: Solve for x
    x = 18,971,176.66/5,011.71
  6. Step 6: Final answer
    x = 3,785.37

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1.5x scale

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.