Home / 3,055.16-4,582.20-863.84

Finding the Fourth Proportional to 3,055.16, 4,582.20 and 863.84

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Solution

The fourth proportional to 3,055.16, 4,582.20 and 863.84 is: 1,295.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,055.16 : 4,582.20 = 863.84 : x
  2. Step 2: Convert to fraction form
    3,055.16/4,582.20 = 863.84/x
  3. Step 3: Cross multiply
    3,055.16x = 4,582.20 × 863.84
  4. Step 4: Simplify right side
    3,055.16x = 3,958,287.65
  5. Step 5: Solve for x
    x = 3,958,287.65/3,055.16
  6. Step 6: Final answer
    x = 1,295.61

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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.