Home / 2,025.51-3,036.44-726.67

Finding the Fourth Proportional to 2,025.51, 3,036.44 and 726.67

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Solution

The fourth proportional to 2,025.51, 3,036.44 and 726.67 is: 1,089.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,025.51 : 3,036.44 = 726.67 : x
  2. Step 2: Convert to fraction form
    2,025.51/3,036.44 = 726.67/x
  3. Step 3: Cross multiply
    2,025.51x = 3,036.44 × 726.67
  4. Step 4: Simplify right side
    2,025.51x = 2,206,486.22
  5. Step 5: Solve for x
    x = 2,206,486.22/2,025.51
  6. Step 6: Final answer
    x = 1,089.35

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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.