Home / 3,740.12-5,162.84-2,732.72

Finding the Fourth Proportional to 3,740.12, 5,162.84 and 2,732.72

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Solution

The fourth proportional to 3,740.12, 5,162.84 and 2,732.72 is: 3,772.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,740.12 : 5,162.84 = 2,732.72 : x
  2. Step 2: Convert to fraction form
    3,740.12/5,162.84 = 2,732.72/x
  3. Step 3: Cross multiply
    3,740.12x = 5,162.84 × 2,732.72
  4. Step 4: Simplify right side
    3,740.12x = 14,108,596.12
  5. Step 5: Solve for x
    x = 14,108,596.12/3,740.12
  6. Step 6: Final answer
    x = 3,772.23

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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.