Home / 5,240.34-7,231.73-2,882.50

Finding the Fourth Proportional to 5,240.34, 7,231.73 and 2,882.50

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Solution

The fourth proportional to 5,240.34, 7,231.73 and 2,882.50 is: 3,977.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,240.34 : 7,231.73 = 2,882.50 : x
  2. Step 2: Convert to fraction form
    5,240.34/7,231.73 = 2,882.50/x
  3. Step 3: Cross multiply
    5,240.34x = 7,231.73 × 2,882.50
  4. Step 4: Simplify right side
    5,240.34x = 20,845,461.73
  5. Step 5: Solve for x
    x = 20,845,461.73/5,240.34
  6. Step 6: Final answer
    x = 3,977.88

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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.