Home / 5,018.12-7,521.76-2,826.28

Finding the Fourth Proportional to 5,018.12, 7,521.76 and 2,826.28

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Solution

The fourth proportional to 5,018.12, 7,521.76 and 2,826.28 is: 4,236.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,018.12 : 7,521.76 = 2,826.28 : x
  2. Step 2: Convert to fraction form
    5,018.12/7,521.76 = 2,826.28/x
  3. Step 3: Cross multiply
    5,018.12x = 7,521.76 × 2,826.28
  4. Step 4: Simplify right side
    5,018.12x = 21,258,599.85
  5. Step 5: Solve for x
    x = 21,258,599.85/5,018.12
  6. Step 6: Final answer
    x = 4,236.37

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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.