Home / 3,760.85-5,635.07-1,294.31

Finding the Fourth Proportional to 3,760.85, 5,635.07 and 1,294.31

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Solution

The fourth proportional to 3,760.85, 5,635.07 and 1,294.31 is: 1,939.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,760.85 : 5,635.07 = 1,294.31 : x
  2. Step 2: Convert to fraction form
    3,760.85/5,635.07 = 1,294.31/x
  3. Step 3: Cross multiply
    3,760.85x = 5,635.07 × 1,294.31
  4. Step 4: Simplify right side
    3,760.85x = 7,293,492.80
  5. Step 5: Solve for x
    x = 7,293,492.80/3,760.85
  6. Step 6: Final answer
    x = 1,939.32

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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.