Home / 5,119.36-7,057.92-3,347.92

Finding the Fourth Proportional to 5,119.36, 7,057.92 and 3,347.92

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Solution

The fourth proportional to 5,119.36, 7,057.92 and 3,347.92 is: 4,615.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,119.36 : 7,057.92 = 3,347.92 : x
  2. Step 2: Convert to fraction form
    5,119.36/7,057.92 = 3,347.92/x
  3. Step 3: Cross multiply
    5,119.36x = 7,057.92 × 3,347.92
  4. Step 4: Simplify right side
    5,119.36x = 23,629,351.53
  5. Step 5: Solve for x
    x = 23,629,351.53/5,119.36
  6. Step 6: Final answer
    x = 4,615.68

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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.