Home / 3,177.95-4,383.63-1,851.44

Finding the Fourth Proportional to 3,177.95, 4,383.63 and 1,851.44

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Solution

The fourth proportional to 3,177.95, 4,383.63 and 1,851.44 is: 2,553.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,177.95 : 4,383.63 = 1,851.44 : x
  2. Step 2: Convert to fraction form
    3,177.95/4,383.63 = 1,851.44/x
  3. Step 3: Cross multiply
    3,177.95x = 4,383.63 × 1,851.44
  4. Step 4: Simplify right side
    3,177.95x = 8,116,006.01
  5. Step 5: Solve for x
    x = 8,116,006.01/3,177.95
  6. Step 6: Final answer
    x = 2,553.85

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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.