Home / 1,939.95-2,674.76-1,516.59

Finding the Fourth Proportional to 1,939.95, 2,674.76 and 1,516.59

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Solution

The fourth proportional to 1,939.95, 2,674.76 and 1,516.59 is: 2,091.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,939.95 : 2,674.76 = 1,516.59 : x
  2. Step 2: Convert to fraction form
    1,939.95/2,674.76 = 1,516.59/x
  3. Step 3: Cross multiply
    1,939.95x = 2,674.76 × 1,516.59
  4. Step 4: Simplify right side
    1,939.95x = 4,056,506.69
  5. Step 5: Solve for x
    x = 4,056,506.69/1,939.95
  6. Step 6: Final answer
    x = 2,091.04

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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.