Home / 3,108.06-4,285.86-2,400.03

Finding the Fourth Proportional to 3,108.06, 4,285.86 and 2,400.03

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Solution

The fourth proportional to 3,108.06, 4,285.86 and 2,400.03 is: 3,309.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,108.06 : 4,285.86 = 2,400.03 : x
  2. Step 2: Convert to fraction form
    3,108.06/4,285.86 = 2,400.03/x
  3. Step 3: Cross multiply
    3,108.06x = 4,285.86 × 2,400.03
  4. Step 4: Simplify right side
    3,108.06x = 10,286,192.58
  5. Step 5: Solve for x
    x = 10,286,192.58/3,108.06
  6. Step 6: Final answer
    x = 3,309.52

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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.