Home / 5,088.88-7,022.55-2,850.85

Finding the Fourth Proportional to 5,088.88, 7,022.55 and 2,850.85

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Solution

The fourth proportional to 5,088.88, 7,022.55 and 2,850.85 is: 3,934.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,088.88 : 7,022.55 = 2,850.85 : x
  2. Step 2: Convert to fraction form
    5,088.88/7,022.55 = 2,850.85/x
  3. Step 3: Cross multiply
    5,088.88x = 7,022.55 × 2,850.85
  4. Step 4: Simplify right side
    5,088.88x = 20,020,200.60
  5. Step 5: Solve for x
    x = 20,020,200.60/5,088.88
  6. Step 6: Final answer
    x = 3,934.11

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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.