Home / 5,246.25-7,240.41-3,122.28

Finding the Fourth Proportional to 5,246.25, 7,240.41 and 3,122.28

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Solution

The fourth proportional to 5,246.25, 7,240.41 and 3,122.28 is: 4,309.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,246.25 : 7,240.41 = 3,122.28 : x
  2. Step 2: Convert to fraction form
    5,246.25/7,240.41 = 3,122.28/x
  3. Step 3: Cross multiply
    5,246.25x = 7,240.41 × 3,122.28
  4. Step 4: Simplify right side
    5,246.25x = 22,606,587.33
  5. Step 5: Solve for x
    x = 22,606,587.33/5,246.25
  6. Step 6: Final answer
    x = 4,309.09

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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.