Home / 3,057.36-4,586.85-1,872.75

Finding the Fourth Proportional to 3,057.36, 4,586.85 and 1,872.75

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Solution

The fourth proportional to 3,057.36, 4,586.85 and 1,872.75 is: 2,809.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,057.36 : 4,586.85 = 1,872.75 : x
  2. Step 2: Convert to fraction form
    3,057.36/4,586.85 = 1,872.75/x
  3. Step 3: Cross multiply
    3,057.36x = 4,586.85 × 1,872.75
  4. Step 4: Simplify right side
    3,057.36x = 8,590,023.34
  5. Step 5: Solve for x
    x = 8,590,023.34/3,057.36
  6. Step 6: Final answer
    x = 2,809.62

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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.