Home / 3,541.12-5,311.68-943.92

Finding the Fourth Proportional to 3,541.12, 5,311.68 and 943.92

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Solution

The fourth proportional to 3,541.12, 5,311.68 and 943.92 is: 1,415.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,541.12 : 5,311.68 = 943.92 : x
  2. Step 2: Convert to fraction form
    3,541.12/5,311.68 = 943.92/x
  3. Step 3: Cross multiply
    3,541.12x = 5,311.68 × 943.92
  4. Step 4: Simplify right side
    3,541.12x = 5,013,800.99
  5. Step 5: Solve for x
    x = 5,013,800.99/3,541.12
  6. Step 6: Final answer
    x = 1,415.88

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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.