Home / 4,939.24-7,400.22-2,628.04

Finding the Fourth Proportional to 4,939.24, 7,400.22 and 2,628.04

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Solution

The fourth proportional to 4,939.24, 7,400.22 and 2,628.04 is: 3,937.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,939.24 : 7,400.22 = 2,628.04 : x
  2. Step 2: Convert to fraction form
    4,939.24/7,400.22 = 2,628.04/x
  3. Step 3: Cross multiply
    4,939.24x = 7,400.22 × 2,628.04
  4. Step 4: Simplify right side
    4,939.24x = 19,448,074.17
  5. Step 5: Solve for x
    x = 19,448,074.17/4,939.24
  6. Step 6: Final answer
    x = 3,937.46

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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.