Home / 3,177.19-4,384.75-1,850.95

Finding the Fourth Proportional to 3,177.19, 4,384.75 and 1,850.95

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Solution

The fourth proportional to 3,177.19, 4,384.75 and 1,850.95 is: 2,554.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,177.19 : 4,384.75 = 1,850.95 : x
  2. Step 2: Convert to fraction form
    3,177.19/4,384.75 = 1,850.95/x
  3. Step 3: Cross multiply
    3,177.19x = 4,384.75 × 1,850.95
  4. Step 4: Simplify right side
    3,177.19x = 8,115,931.09
  5. Step 5: Solve for x
    x = 8,115,931.09/3,177.19
  6. Step 6: Final answer
    x = 2,554.44

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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.