Home / 4,043.28-5,579.70-2,274.90

Finding the Fourth Proportional to 4,043.28, 5,579.70 and 2,274.90

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Solution

The fourth proportional to 4,043.28, 5,579.70 and 2,274.90 is: 3,139.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,043.28 : 5,579.70 = 2,274.90 : x
  2. Step 2: Convert to fraction form
    4,043.28/5,579.70 = 2,274.90/x
  3. Step 3: Cross multiply
    4,043.28x = 5,579.70 × 2,274.90
  4. Step 4: Simplify right side
    4,043.28x = 12,693,259.53
  5. Step 5: Solve for x
    x = 12,693,259.53/4,043.28
  6. Step 6: Final answer
    x = 3,139.35

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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.