Home / 1,516.40-2,283.41-1,286.09

Finding the Fourth Proportional to 1,516.40, 2,283.41 and 1,286.09

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Solution

The fourth proportional to 1,516.40, 2,283.41 and 1,286.09 is: 1,936.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,516.40 : 2,283.41 = 1,286.09 : x
  2. Step 2: Convert to fraction form
    1,516.40/2,283.41 = 1,286.09/x
  3. Step 3: Cross multiply
    1,516.40x = 2,283.41 × 1,286.09
  4. Step 4: Simplify right side
    1,516.40x = 2,936,657.74
  5. Step 5: Solve for x
    x = 2,936,657.74/1,516.40
  6. Step 6: Final answer
    x = 1,936.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.