Home / 2,525.64-3,789.86-1,138.92

Finding the Fourth Proportional to 2,525.64, 3,789.86 and 1,138.92

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Solution

The fourth proportional to 2,525.64, 3,789.86 and 1,138.92 is: 1,709.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,525.64 : 3,789.86 = 1,138.92 : x
  2. Step 2: Convert to fraction form
    2,525.64/3,789.86 = 1,138.92/x
  3. Step 3: Cross multiply
    2,525.64x = 3,789.86 × 1,138.92
  4. Step 4: Simplify right side
    2,525.64x = 4,316,347.35
  5. Step 5: Solve for x
    x = 4,316,347.35/2,525.64
  6. Step 6: Final answer
    x = 1,709.01

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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.