Home / 3,177.25-4,384.87-1,850.67

Finding the Fourth Proportional to 3,177.25, 4,384.87 and 1,850.67

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Solution

The fourth proportional to 3,177.25, 4,384.87 and 1,850.67 is: 2,554.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,177.25 : 4,384.87 = 1,850.67 : x
  2. Step 2: Convert to fraction form
    3,177.25/4,384.87 = 1,850.67/x
  3. Step 3: Cross multiply
    3,177.25x = 4,384.87 × 1,850.67
  4. Step 4: Simplify right side
    3,177.25x = 8,114,942.74
  5. Step 5: Solve for x
    x = 8,114,942.74/3,177.25
  6. Step 6: Final answer
    x = 2,554.08

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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.