Home / 4,119.20-5,684.62-2,351.28

Finding the Fourth Proportional to 4,119.20, 5,684.62 and 2,351.28

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Solution

The fourth proportional to 4,119.20, 5,684.62 and 2,351.28 is: 3,244.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,119.20 : 5,684.62 = 2,351.28 : x
  2. Step 2: Convert to fraction form
    4,119.20/5,684.62 = 2,351.28/x
  3. Step 3: Cross multiply
    4,119.20x = 5,684.62 × 2,351.28
  4. Step 4: Simplify right side
    4,119.20x = 13,366,133.31
  5. Step 5: Solve for x
    x = 13,366,133.31/4,119.20
  6. Step 6: Final answer
    x = 3,244.84

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Half scale
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Double scale
Find fourth proportional to 4,120.20, 5,686 and 2,352.28
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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.