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Finding the Fourth Proportional to 3,805.58, 5,248.38 and 2,923.22

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Solution

The fourth proportional to 3,805.58, 5,248.38 and 2,923.22 is: 4,031.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,805.58 : 5,248.38 = 2,923.22 : x
  2. Step 2: Convert to fraction form
    3,805.58/5,248.38 = 2,923.22/x
  3. Step 3: Cross multiply
    3,805.58x = 5,248.38 × 2,923.22
  4. Step 4: Simplify right side
    3,805.58x = 15,342,169.38
  5. Step 5: Solve for x
    x = 15,342,169.38/3,805.58
  6. Step 6: Final answer
    x = 4,031.49

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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.