Home / 3,163.72-4,366.02-1,766.44

Finding the Fourth Proportional to 3,163.72, 4,366.02 and 1,766.44

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Solution

The fourth proportional to 3,163.72, 4,366.02 and 1,766.44 is: 2,437.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,163.72 : 4,366.02 = 1,766.44 : x
  2. Step 2: Convert to fraction form
    3,163.72/4,366.02 = 1,766.44/x
  3. Step 3: Cross multiply
    3,163.72x = 4,366.02 × 1,766.44
  4. Step 4: Simplify right side
    3,163.72x = 7,712,312.37
  5. Step 5: Solve for x
    x = 7,712,312.37/3,163.72
  6. Step 6: Final answer
    x = 2,437.74

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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.