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Finding the Fourth Proportional to 3,164.47, 4,367 and 1,748.12

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Solution

The fourth proportional to 3,164.47, 4,367 and 1,748.12 is: 2,412.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,164.47 : 4,367 = 1,748.12 : x
  2. Step 2: Convert to fraction form
    3,164.47/4,367 = 1,748.12/x
  3. Step 3: Cross multiply
    3,164.47x = 4,367 × 1,748.12
  4. Step 4: Simplify right side
    3,164.47x = 7,634,040.04
  5. Step 5: Solve for x
    x = 7,634,040.04/3,164.47
  6. Step 6: Final answer
    x = 2,412.42

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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.