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Finding the Fourth Proportional to 2,935.73, 4,379.14 and 2,655.47

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Solution

The fourth proportional to 2,935.73, 4,379.14 and 2,655.47 is: 3,961.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,935.73 : 4,379.14 = 2,655.47 : x
  2. Step 2: Convert to fraction form
    2,935.73/4,379.14 = 2,655.47/x
  3. Step 3: Cross multiply
    2,935.73x = 4,379.14 × 2,655.47
  4. Step 4: Simplify right side
    2,935.73x = 11,628,674.90
  5. Step 5: Solve for x
    x = 11,628,674.90/2,935.73
  6. Step 6: Final answer
    x = 3,961.08

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.