Home / 5,246.21-7,238.85-3,150.38

Finding the Fourth Proportional to 5,246.21, 7,238.85 and 3,150.38

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Solution

The fourth proportional to 5,246.21, 7,238.85 and 3,150.38 is: 4,346.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,246.21 : 7,238.85 = 3,150.38 : x
  2. Step 2: Convert to fraction form
    5,246.21/7,238.85 = 3,150.38/x
  3. Step 3: Cross multiply
    5,246.21x = 7,238.85 × 3,150.38
  4. Step 4: Simplify right side
    5,246.21x = 22,805,128.26
  5. Step 5: Solve for x
    x = 22,805,128.26/5,246.21
  6. Step 6: Final answer
    x = 4,346.97

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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.