Home / 3,274.10-4,906.80-1,715.43

Finding the Fourth Proportional to 3,274.10, 4,906.80 and 1,715.43

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Solution

The fourth proportional to 3,274.10, 4,906.80 and 1,715.43 is: 2,570.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,274.10 : 4,906.80 = 1,715.43 : x
  2. Step 2: Convert to fraction form
    3,274.10/4,906.80 = 1,715.43/x
  3. Step 3: Cross multiply
    3,274.10x = 4,906.80 × 1,715.43
  4. Step 4: Simplify right side
    3,274.10x = 8,417,271.92
  5. Step 5: Solve for x
    x = 8,417,271.92/3,274.10
  6. Step 6: Final answer
    x = 2,570.87

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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.