Home / 3,280.05-4,525.65-1,935.73

Finding the Fourth Proportional to 3,280.05, 4,525.65 and 1,935.73

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Solution

The fourth proportional to 3,280.05, 4,525.65 and 1,935.73 is: 2,670.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,280.05 : 4,525.65 = 1,935.73 : x
  2. Step 2: Convert to fraction form
    3,280.05/4,525.65 = 1,935.73/x
  3. Step 3: Cross multiply
    3,280.05x = 4,525.65 × 1,935.73
  4. Step 4: Simplify right side
    3,280.05x = 8,760,436.47
  5. Step 5: Solve for x
    x = 8,760,436.47/3,280.05
  6. Step 6: Final answer
    x = 2,670.82

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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.