Home / 1,936.50-2,669.22-1,516.11

Finding the Fourth Proportional to 1,936.50, 2,669.22 and 1,516.11

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Solution

The fourth proportional to 1,936.50, 2,669.22 and 1,516.11 is: 2,089.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,936.50 : 2,669.22 = 1,516.11 : x
  2. Step 2: Convert to fraction form
    1,936.50/2,669.22 = 1,516.11/x
  3. Step 3: Cross multiply
    1,936.50x = 2,669.22 × 1,516.11
  4. Step 4: Simplify right side
    1,936.50x = 4,046,831.13
  5. Step 5: Solve for x
    x = 4,046,831.13/1,936.50
  6. Step 6: Final answer
    x = 2,089.77

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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.