Home / 2,176.15-3,264.79-943.27

Finding the Fourth Proportional to 2,176.15, 3,264.79 and 943.27

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Solution

The fourth proportional to 2,176.15, 3,264.79 and 943.27 is: 1,415.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,176.15 : 3,264.79 = 943.27 : x
  2. Step 2: Convert to fraction form
    2,176.15/3,264.79 = 943.27/x
  3. Step 3: Cross multiply
    2,176.15x = 3,264.79 × 943.27
  4. Step 4: Simplify right side
    2,176.15x = 3,079,578.46
  5. Step 5: Solve for x
    x = 3,079,578.46/2,176.15
  6. Step 6: Final answer
    x = 1,415.15

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.