Home / 3,943.83-5,914.22-1,311.24

Finding the Fourth Proportional to 3,943.83, 5,914.22 and 1,311.24

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Solution

The fourth proportional to 3,943.83, 5,914.22 and 1,311.24 is: 1,966.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,943.83 : 5,914.22 = 1,311.24 : x
  2. Step 2: Convert to fraction form
    3,943.83/5,914.22 = 1,311.24/x
  3. Step 3: Cross multiply
    3,943.83x = 5,914.22 × 1,311.24
  4. Step 4: Simplify right side
    3,943.83x = 7,754,955.28
  5. Step 5: Solve for x
    x = 7,754,955.28/3,943.83
  6. Step 6: Final answer
    x = 1,966.35

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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.