Home / 5,240.73-7,232.55-2,883.02

Finding the Fourth Proportional to 5,240.73, 7,232.55 and 2,883.02

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Solution

The fourth proportional to 5,240.73, 7,232.55 and 2,883.02 is: 3,978.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,240.73 : 7,232.55 = 2,883.02 : x
  2. Step 2: Convert to fraction form
    5,240.73/7,232.55 = 2,883.02/x
  3. Step 3: Cross multiply
    5,240.73x = 7,232.55 × 2,883.02
  4. Step 4: Simplify right side
    5,240.73x = 20,851,579.94
  5. Step 5: Solve for x
    x = 20,851,579.94/5,240.73
  6. Step 6: Final answer
    x = 3,978.76

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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.