Home / 3,579.24-4,941.54-2,836.20

Finding the Fourth Proportional to 3,579.24, 4,941.54 and 2,836.20

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Solution

The fourth proportional to 3,579.24, 4,941.54 and 2,836.20 is: 3,915.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,579.24 : 4,941.54 = 2,836.20 : x
  2. Step 2: Convert to fraction form
    3,579.24/4,941.54 = 2,836.20/x
  3. Step 3: Cross multiply
    3,579.24x = 4,941.54 × 2,836.20
  4. Step 4: Simplify right side
    3,579.24x = 14,015,195.75
  5. Step 5: Solve for x
    x = 14,015,195.75/3,579.24
  6. Step 6: Final answer
    x = 3,915.69

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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.