Home / 3,167.88-4,371.65-1,823.76

Finding the Fourth Proportional to 3,167.88, 4,371.65 and 1,823.76

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Solution

The fourth proportional to 3,167.88, 4,371.65 and 1,823.76 is: 2,516.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,167.88 : 4,371.65 = 1,823.76 : x
  2. Step 2: Convert to fraction form
    3,167.88/4,371.65 = 1,823.76/x
  3. Step 3: Cross multiply
    3,167.88x = 4,371.65 × 1,823.76
  4. Step 4: Simplify right side
    3,167.88x = 7,972,836.09
  5. Step 5: Solve for x
    x = 7,972,836.09/3,167.88
  6. Step 6: Final answer
    x = 2,516.77

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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.