Home / 5,088.39-7,021.16-2,850.36

Finding the Fourth Proportional to 5,088.39, 7,021.16 and 2,850.36

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Solution

The fourth proportional to 5,088.39, 7,021.16 and 2,850.36 is: 3,933.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,088.39 : 7,021.16 = 2,850.36 : x
  2. Step 2: Convert to fraction form
    5,088.39/7,021.16 = 2,850.36/x
  3. Step 3: Cross multiply
    5,088.39x = 7,021.16 × 2,850.36
  4. Step 4: Simplify right side
    5,088.39x = 20,012,859.25
  5. Step 5: Solve for x
    x = 20,012,859.25/5,088.39
  6. Step 6: Final answer
    x = 3,933.04

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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.