Home / 4,078.68-5,628.28-2,310.24

Finding the Fourth Proportional to 4,078.68, 5,628.28 and 2,310.24

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Solution

The fourth proportional to 4,078.68, 5,628.28 and 2,310.24 is: 3,187.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,078.68 : 5,628.28 = 2,310.24 : x
  2. Step 2: Convert to fraction form
    4,078.68/5,628.28 = 2,310.24/x
  3. Step 3: Cross multiply
    4,078.68x = 5,628.28 × 2,310.24
  4. Step 4: Simplify right side
    4,078.68x = 13,002,677.59
  5. Step 5: Solve for x
    x = 13,002,677.59/4,078.68
  6. Step 6: Final answer
    x = 3,187.96

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1.5x scale

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.