Home / 4,073.25-6,112.95-2,980.43

Finding the Fourth Proportional to 4,073.25, 6,112.95 and 2,980.43

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Solution

The fourth proportional to 4,073.25, 6,112.95 and 2,980.43 is: 4,472.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,073.25 : 6,112.95 = 2,980.43 : x
  2. Step 2: Convert to fraction form
    4,073.25/6,112.95 = 2,980.43/x
  3. Step 3: Cross multiply
    4,073.25x = 6,112.95 × 2,980.43
  4. Step 4: Simplify right side
    4,073.25x = 18,219,204.67
  5. Step 5: Solve for x
    x = 18,219,204.67/4,073.25
  6. Step 6: Final answer
    x = 4,472.89

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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.