Home / 3,423.19-5,131.05-1,754.99

Finding the Fourth Proportional to 3,423.19, 5,131.05 and 1,754.99

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Solution

The fourth proportional to 3,423.19, 5,131.05 and 1,754.99 is: 2,630.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,423.19 : 5,131.05 = 1,754.99 : x
  2. Step 2: Convert to fraction form
    3,423.19/5,131.05 = 1,754.99/x
  3. Step 3: Cross multiply
    3,423.19x = 5,131.05 × 1,754.99
  4. Step 4: Simplify right side
    3,423.19x = 9,004,930.24
  5. Step 5: Solve for x
    x = 9,004,930.24/3,423.19
  6. Step 6: Final answer
    x = 2,630.57

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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.