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Finding the Fourth Proportional to 3,897.99, 5,848.74 and 2,436.48

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Solution

The fourth proportional to 3,897.99, 5,848.74 and 2,436.48 is: 3,655.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,897.99 : 5,848.74 = 2,436.48 : x
  2. Step 2: Convert to fraction form
    3,897.99/5,848.74 = 2,436.48/x
  3. Step 3: Cross multiply
    3,897.99x = 5,848.74 × 2,436.48
  4. Step 4: Simplify right side
    3,897.99x = 14,250,338.04
  5. Step 5: Solve for x
    x = 14,250,338.04/3,897.99
  6. Step 6: Final answer
    x = 3,655.82

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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.