Home / 2,167.25-3,249.95-934.02

Finding the Fourth Proportional to 2,167.25, 3,249.95 and 934.02

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Solution

The fourth proportional to 2,167.25, 3,249.95 and 934.02 is: 1,400.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,167.25 : 3,249.95 = 934.02 : x
  2. Step 2: Convert to fraction form
    2,167.25/3,249.95 = 934.02/x
  3. Step 3: Cross multiply
    2,167.25x = 3,249.95 × 934.02
  4. Step 4: Simplify right side
    2,167.25x = 3,035,513.63
  5. Step 5: Solve for x
    x = 3,035,513.63/2,167.25
  6. Step 6: Final answer
    x = 1,400.63

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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.