Home / 3,790.55-5,234.25-2,376.66

Finding the Fourth Proportional to 3,790.55, 5,234.25 and 2,376.66

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Solution

The fourth proportional to 3,790.55, 5,234.25 and 2,376.66 is: 3,281.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,790.55 : 5,234.25 = 2,376.66 : x
  2. Step 2: Convert to fraction form
    3,790.55/5,234.25 = 2,376.66/x
  3. Step 3: Cross multiply
    3,790.55x = 5,234.25 × 2,376.66
  4. Step 4: Simplify right side
    3,790.55x = 12,440,032.61
  5. Step 5: Solve for x
    x = 12,440,032.61/3,790.55
  6. Step 6: Final answer
    x = 3,281.86

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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.