Home / 3,518.30-4,855.01-1,946.43

Finding the Fourth Proportional to 3,518.30, 4,855.01 and 1,946.43

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Solution

The fourth proportional to 3,518.30, 4,855.01 and 1,946.43 is: 2,685.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,518.30 : 4,855.01 = 1,946.43 : x
  2. Step 2: Convert to fraction form
    3,518.30/4,855.01 = 1,946.43/x
  3. Step 3: Cross multiply
    3,518.30x = 4,855.01 × 1,946.43
  4. Step 4: Simplify right side
    3,518.30x = 9,449,927.38
  5. Step 5: Solve for x
    x = 9,449,927.38/3,518.30
  6. Step 6: Final answer
    x = 2,685.93

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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.