Home / 2,551.81-3,828.40-2,033.77

Finding the Fourth Proportional to 2,551.81, 3,828.40 and 2,033.77

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Solution

The fourth proportional to 2,551.81, 3,828.40 and 2,033.77 is: 3,051.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,551.81 : 3,828.40 = 2,033.77 : x
  2. Step 2: Convert to fraction form
    2,551.81/3,828.40 = 2,033.77/x
  3. Step 3: Cross multiply
    2,551.81x = 3,828.40 × 2,033.77
  4. Step 4: Simplify right side
    2,551.81x = 7,786,085.07
  5. Step 5: Solve for x
    x = 7,786,085.07/2,551.81
  6. Step 6: Final answer
    x = 3,051.20

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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.