Home / 5,228.30-7,844.70-3,038.90

Finding the Fourth Proportional to 5,228.30, 7,844.70 and 3,038.90

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Solution

The fourth proportional to 5,228.30, 7,844.70 and 3,038.90 is: 4,559.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,228.30 : 7,844.70 = 3,038.90 : x
  2. Step 2: Convert to fraction form
    5,228.30/7,844.70 = 3,038.90/x
  3. Step 3: Cross multiply
    5,228.30x = 7,844.70 × 3,038.90
  4. Step 4: Simplify right side
    5,228.30x = 23,839,258.83
  5. Step 5: Solve for x
    x = 23,839,258.83/5,228.30
  6. Step 6: Final answer
    x = 4,559.66

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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.