Home / 3,065.39-4,230.25-1,738.84

Finding the Fourth Proportional to 3,065.39, 4,230.25 and 1,738.84

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Solution

The fourth proportional to 3,065.39, 4,230.25 and 1,738.84 is: 2,399.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,065.39 : 4,230.25 = 1,738.84 : x
  2. Step 2: Convert to fraction form
    3,065.39/4,230.25 = 1,738.84/x
  3. Step 3: Cross multiply
    3,065.39x = 4,230.25 × 1,738.84
  4. Step 4: Simplify right side
    3,065.39x = 7,355,737.71
  5. Step 5: Solve for x
    x = 7,355,737.71/3,065.39
  6. Step 6: Final answer
    x = 2,399.61

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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.