Home / 5,616.88-8,419.39-2,104.59

Finding the Fourth Proportional to 5,616.88, 8,419.39 and 2,104.59

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Solution

The fourth proportional to 5,616.88, 8,419.39 and 2,104.59 is: 3,154.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,616.88 : 8,419.39 = 2,104.59 : x
  2. Step 2: Convert to fraction form
    5,616.88/8,419.39 = 2,104.59/x
  3. Step 3: Cross multiply
    5,616.88x = 8,419.39 × 2,104.59
  4. Step 4: Simplify right side
    5,616.88x = 17,719,358.74
  5. Step 5: Solve for x
    x = 17,719,358.74/5,616.88
  6. Step 6: Final answer
    x = 3,154.66

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1.5x scale

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.