Home / 4,043.21-5,579.46-2,274.75

Finding the Fourth Proportional to 4,043.21, 5,579.46 and 2,274.75

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Solution

The fourth proportional to 4,043.21, 5,579.46 and 2,274.75 is: 3,139.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,043.21 : 5,579.46 = 2,274.75 : x
  2. Step 2: Convert to fraction form
    4,043.21/5,579.46 = 2,274.75/x
  3. Step 3: Cross multiply
    4,043.21x = 5,579.46 × 2,274.75
  4. Step 4: Simplify right side
    4,043.21x = 12,691,876.64
  5. Step 5: Solve for x
    x = 12,691,876.64/4,043.21
  6. Step 6: Final answer
    x = 3,139.06

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Find fourth proportional to 2,021.60, 2,789.73 and 1,137.38
Half scale
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Double scale
Find fourth proportional to 4,044.21, 5,580.84 and 2,275.75
Similar ratio
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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.