Home / 3,191.49-4,783.59-1,731.87

Finding the Fourth Proportional to 3,191.49, 4,783.59 and 1,731.87

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Solution

The fourth proportional to 3,191.49, 4,783.59 and 1,731.87 is: 2,595.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,191.49 : 4,783.59 = 1,731.87 : x
  2. Step 2: Convert to fraction form
    3,191.49/4,783.59 = 1,731.87/x
  3. Step 3: Cross multiply
    3,191.49x = 4,783.59 × 1,731.87
  4. Step 4: Simplify right side
    3,191.49x = 8,284,556.01
  5. Step 5: Solve for x
    x = 8,284,556.01/3,191.49
  6. Step 6: Final answer
    x = 2,595.83

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.