Home / 5,240.13-7,231.44-2,882.35

Finding the Fourth Proportional to 5,240.13, 7,231.44 and 2,882.35

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Solution

The fourth proportional to 5,240.13, 7,231.44 and 2,882.35 is: 3,977.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,240.13 : 7,231.44 = 2,882.35 : x
  2. Step 2: Convert to fraction form
    5,240.13/7,231.44 = 2,882.35/x
  3. Step 3: Cross multiply
    5,240.13x = 7,231.44 × 2,882.35
  4. Step 4: Simplify right side
    5,240.13x = 20,843,541.08
  5. Step 5: Solve for x
    x = 20,843,541.08/5,240.13
  6. Step 6: Final answer
    x = 3,977.68

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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.