Home / 4,580.70-6,872.85-1,806.90

Finding the Fourth Proportional to 4,580.70, 6,872.85 and 1,806.90

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Solution

The fourth proportional to 4,580.70, 6,872.85 and 1,806.90 is: 2,711.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,580.70 : 6,872.85 = 1,806.90 : x
  2. Step 2: Convert to fraction form
    4,580.70/6,872.85 = 1,806.90/x
  3. Step 3: Cross multiply
    4,580.70x = 6,872.85 × 1,806.90
  4. Step 4: Simplify right side
    4,580.70x = 12,418,552.67
  5. Step 5: Solve for x
    x = 12,418,552.67/4,580.70
  6. Step 6: Final answer
    x = 2,711.06

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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.