Home / 5,246.38-7,239.72-3,150.64

Finding the Fourth Proportional to 5,246.38, 7,239.72 and 3,150.64

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Solution

The fourth proportional to 5,246.38, 7,239.72 and 3,150.64 is: 4,347.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,246.38 : 7,239.72 = 3,150.64 : x
  2. Step 2: Convert to fraction form
    5,246.38/7,239.72 = 3,150.64/x
  3. Step 3: Cross multiply
    5,246.38x = 7,239.72 × 3,150.64
  4. Step 4: Simplify right side
    5,246.38x = 22,809,751.42
  5. Step 5: Solve for x
    x = 22,809,751.42/5,246.38
  6. Step 6: Final answer
    x = 4,347.71

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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.