Home / 3,177.28-4,384.25-1,850.66

Finding the Fourth Proportional to 3,177.28, 4,384.25 and 1,850.66

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Solution

The fourth proportional to 3,177.28, 4,384.25 and 1,850.66 is: 2,553.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,177.28 : 4,384.25 = 1,850.66 : x
  2. Step 2: Convert to fraction form
    3,177.28/4,384.25 = 1,850.66/x
  3. Step 3: Cross multiply
    3,177.28x = 4,384.25 × 1,850.66
  4. Step 4: Simplify right side
    3,177.28x = 8,113,756.11
  5. Step 5: Solve for x
    x = 8,113,756.11/3,177.28
  6. Step 6: Final answer
    x = 2,553.68

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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.