Home / 2,551.98-3,820.53-1,896.76

Finding the Fourth Proportional to 2,551.98, 3,820.53 and 1,896.76

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Solution

The fourth proportional to 2,551.98, 3,820.53 and 1,896.76 is: 2,839.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,551.98 : 3,820.53 = 1,896.76 : x
  2. Step 2: Convert to fraction form
    2,551.98/3,820.53 = 1,896.76/x
  3. Step 3: Cross multiply
    2,551.98x = 3,820.53 × 1,896.76
  4. Step 4: Simplify right side
    2,551.98x = 7,246,623.67
  5. Step 5: Solve for x
    x = 7,246,623.67/2,551.98
  6. Step 6: Final answer
    x = 2,839.61

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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.