Home / 1,824.20-2,736.39-525.77

Finding the Fourth Proportional to 1,824.20, 2,736.39 and 525.77

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Solution

The fourth proportional to 1,824.20, 2,736.39 and 525.77 is: 788.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,824.20 : 2,736.39 = 525.77 : x
  2. Step 2: Convert to fraction form
    1,824.20/2,736.39 = 525.77/x
  3. Step 3: Cross multiply
    1,824.20x = 2,736.39 × 525.77
  4. Step 4: Simplify right side
    1,824.20x = 1,438,698.09
  5. Step 5: Solve for x
    x = 1,438,698.09/1,824.20
  6. Step 6: Final answer
    x = 788.68

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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.