Home / 5,228.30-7,212.62-3,338.92

Finding the Fourth Proportional to 5,228.30, 7,212.62 and 3,338.92

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Solution

The fourth proportional to 5,228.30, 7,212.62 and 3,338.92 is: 4,606.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,228.30 : 7,212.62 = 3,338.92 : x
  2. Step 2: Convert to fraction form
    5,228.30/7,212.62 = 3,338.92/x
  3. Step 3: Cross multiply
    5,228.30x = 7,212.62 × 3,338.92
  4. Step 4: Simplify right side
    5,228.30x = 24,082,361.17
  5. Step 5: Solve for x
    x = 24,082,361.17/5,228.30
  6. Step 6: Final answer
    x = 4,606.16

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Half scale
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Double scale
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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.