Home / 3,177.28-4,385.03-1,833.09

Finding the Fourth Proportional to 3,177.28, 4,385.03 and 1,833.09

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Solution

The fourth proportional to 3,177.28, 4,385.03 and 1,833.09 is: 2,529.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,177.28 : 4,385.03 = 1,833.09 : x
  2. Step 2: Convert to fraction form
    3,177.28/4,385.03 = 1,833.09/x
  3. Step 3: Cross multiply
    3,177.28x = 4,385.03 × 1,833.09
  4. Step 4: Simplify right side
    3,177.28x = 8,038,154.64
  5. Step 5: Solve for x
    x = 8,038,154.64/3,177.28
  6. Step 6: Final answer
    x = 2,529.89

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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.