Home / 5,240.19-7,231.31-2,882.33

Finding the Fourth Proportional to 5,240.19, 7,231.31 and 2,882.33

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Solution

The fourth proportional to 5,240.19, 7,231.31 and 2,882.33 is: 3,977.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,240.19 : 7,231.31 = 2,882.33 : x
  2. Step 2: Convert to fraction form
    5,240.19/7,231.31 = 2,882.33/x
  3. Step 3: Cross multiply
    5,240.19x = 7,231.31 × 2,882.33
  4. Step 4: Simplify right side
    5,240.19x = 20,843,009.11
  5. Step 5: Solve for x
    x = 20,843,009.11/5,240.19
  6. Step 6: Final answer
    x = 3,977.53

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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.