Home / 4,208.46-5,813.58-3,987.04

Finding the Fourth Proportional to 4,208.46, 5,813.58 and 3,987.04

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Solution

The fourth proportional to 4,208.46, 5,813.58 and 3,987.04 is: 5,507.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,208.46 : 5,813.58 = 3,987.04 : x
  2. Step 2: Convert to fraction form
    4,208.46/5,813.58 = 3,987.04/x
  3. Step 3: Cross multiply
    4,208.46x = 5,813.58 × 3,987.04
  4. Step 4: Simplify right side
    4,208.46x = 23,178,976.00
  5. Step 5: Solve for x
    x = 23,178,976.00/4,208.46
  6. Step 6: Final answer
    x = 5,507.71

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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.