Home / 3,114.54-4,665.33-1,472.40

Finding the Fourth Proportional to 3,114.54, 4,665.33 and 1,472.40

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Solution

The fourth proportional to 3,114.54, 4,665.33 and 1,472.40 is: 2,205.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,114.54 : 4,665.33 = 1,472.40 : x
  2. Step 2: Convert to fraction form
    3,114.54/4,665.33 = 1,472.40/x
  3. Step 3: Cross multiply
    3,114.54x = 4,665.33 × 1,472.40
  4. Step 4: Simplify right side
    3,114.54x = 6,869,231.89
  5. Step 5: Solve for x
    x = 6,869,231.89/3,114.54
  6. Step 6: Final answer
    x = 2,205.54

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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.