Home / 5,775.08-7,969.62-3,122.49

Finding the Fourth Proportional to 5,775.08, 7,969.62 and 3,122.49

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Solution

The fourth proportional to 5,775.08, 7,969.62 and 3,122.49 is: 4,309.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,775.08 : 7,969.62 = 3,122.49 : x
  2. Step 2: Convert to fraction form
    5,775.08/7,969.62 = 3,122.49/x
  3. Step 3: Cross multiply
    5,775.08x = 7,969.62 × 3,122.49
  4. Step 4: Simplify right side
    5,775.08x = 24,885,043.14
  5. Step 5: Solve for x
    x = 24,885,043.14/5,775.08
  6. Step 6: Final answer
    x = 4,309.04

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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.