Home / 4,119.43-5,684.84-2,351.20

Finding the Fourth Proportional to 4,119.43, 5,684.84 and 2,351.20

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Solution

The fourth proportional to 4,119.43, 5,684.84 and 2,351.20 is: 3,244.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,119.43 : 5,684.84 = 2,351.20 : x
  2. Step 2: Convert to fraction form
    4,119.43/5,684.84 = 2,351.20/x
  3. Step 3: Cross multiply
    4,119.43x = 5,684.84 × 2,351.20
  4. Step 4: Simplify right side
    4,119.43x = 13,366,195.81
  5. Step 5: Solve for x
    x = 13,366,195.81/4,119.43
  6. Step 6: Final answer
    x = 3,244.67

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Half scale
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Double scale
Find fourth proportional to 4,120.43, 5,686.22 and 2,352.20
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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.