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Finding the Fourth Proportional to 2,837.01, 3,915.24 and 1,578.24

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Solution

The fourth proportional to 2,837.01, 3,915.24 and 1,578.24 is: 2,178.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,837.01 : 3,915.24 = 1,578.24 : x
  2. Step 2: Convert to fraction form
    2,837.01/3,915.24 = 1,578.24/x
  3. Step 3: Cross multiply
    2,837.01x = 3,915.24 × 1,578.24
  4. Step 4: Simplify right side
    2,837.01x = 6,179,188.38
  5. Step 5: Solve for x
    x = 6,179,188.38/2,837.01
  6. Step 6: Final answer
    x = 2,178.06

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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.