Home / 5,021.67-6,930.72-4,800.21

Finding the Fourth Proportional to 5,021.67, 6,930.72 and 4,800.21

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Solution

The fourth proportional to 5,021.67, 6,930.72 and 4,800.21 is: 6,625.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,021.67 : 6,930.72 = 4,800.21 : x
  2. Step 2: Convert to fraction form
    5,021.67/6,930.72 = 4,800.21/x
  3. Step 3: Cross multiply
    5,021.67x = 6,930.72 × 4,800.21
  4. Step 4: Simplify right side
    5,021.67x = 33,268,911.45
  5. Step 5: Solve for x
    x = 33,268,911.45/5,021.67
  6. Step 6: Final answer
    x = 6,625.07

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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.