Home / 5,811.90-8,719.32-2,525.58

Finding the Fourth Proportional to 5,811.90, 8,719.32 and 2,525.58

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Solution

The fourth proportional to 5,811.90, 8,719.32 and 2,525.58 is: 3,789.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,811.90 : 8,719.32 = 2,525.58 : x
  2. Step 2: Convert to fraction form
    5,811.90/8,719.32 = 2,525.58/x
  3. Step 3: Cross multiply
    5,811.90x = 8,719.32 × 2,525.58
  4. Step 4: Simplify right side
    5,811.90x = 22,021,340.21
  5. Step 5: Solve for x
    x = 22,021,340.21/5,811.90
  6. Step 6: Final answer
    x = 3,789.01

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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.