Home / 4,811.20-7,216.20-2,038.98

Finding the Fourth Proportional to 4,811.20, 7,216.20 and 2,038.98

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Solution

The fourth proportional to 4,811.20, 7,216.20 and 2,038.98 is: 3,058.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,811.20 : 7,216.20 = 2,038.98 : x
  2. Step 2: Convert to fraction form
    4,811.20/7,216.20 = 2,038.98/x
  3. Step 3: Cross multiply
    4,811.20x = 7,216.20 × 2,038.98
  4. Step 4: Simplify right side
    4,811.20x = 14,713,687.48
  5. Step 5: Solve for x
    x = 14,713,687.48/4,811.20
  6. Step 6: Final answer
    x = 3,058.22

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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.