Home / 2,716.08-4,078.98-2,434.20

Finding the Fourth Proportional to 2,716.08, 4,078.98 and 2,434.20

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Solution

The fourth proportional to 2,716.08, 4,078.98 and 2,434.20 is: 3,655.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,716.08 : 4,078.98 = 2,434.20 : x
  2. Step 2: Convert to fraction form
    2,716.08/4,078.98 = 2,434.20/x
  3. Step 3: Cross multiply
    2,716.08x = 4,078.98 × 2,434.20
  4. Step 4: Simplify right side
    2,716.08x = 9,929,053.12
  5. Step 5: Solve for x
    x = 9,929,053.12/2,716.08
  6. Step 6: Final answer
    x = 3,655.66

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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.