Home / 3,628.77-5,000.68-2,447.79

Finding the Fourth Proportional to 3,628.77, 5,000.68 and 2,447.79

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Solution

The fourth proportional to 3,628.77, 5,000.68 and 2,447.79 is: 3,373.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,628.77 : 5,000.68 = 2,447.79 : x
  2. Step 2: Convert to fraction form
    3,628.77/5,000.68 = 2,447.79/x
  3. Step 3: Cross multiply
    3,628.77x = 5,000.68 × 2,447.79
  4. Step 4: Simplify right side
    3,628.77x = 12,240,614.50
  5. Step 5: Solve for x
    x = 12,240,614.50/3,628.77
  6. Step 6: Final answer
    x = 3,373.21

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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.