Home / 5,208.16-7,187.36-2,850.40

Finding the Fourth Proportional to 5,208.16, 7,187.36 and 2,850.40

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Solution

The fourth proportional to 5,208.16, 7,187.36 and 2,850.40 is: 3,933.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,208.16 : 7,187.36 = 2,850.40 : x
  2. Step 2: Convert to fraction form
    5,208.16/7,187.36 = 2,850.40/x
  3. Step 3: Cross multiply
    5,208.16x = 7,187.36 × 2,850.40
  4. Step 4: Simplify right side
    5,208.16x = 20,486,850.94
  5. Step 5: Solve for x
    x = 20,486,850.94/5,208.16
  6. Step 6: Final answer
    x = 3,933.61

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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.