Home / 3,449.76-4,760.70-1,877.82

Finding the Fourth Proportional to 3,449.76, 4,760.70 and 1,877.82

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Solution

The fourth proportional to 3,449.76, 4,760.70 and 1,877.82 is: 2,591.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,449.76 : 4,760.70 = 1,877.82 : x
  2. Step 2: Convert to fraction form
    3,449.76/4,760.70 = 1,877.82/x
  3. Step 3: Cross multiply
    3,449.76x = 4,760.70 × 1,877.82
  4. Step 4: Simplify right side
    3,449.76x = 8,939,737.67
  5. Step 5: Solve for x
    x = 8,939,737.67/3,449.76
  6. Step 6: Final answer
    x = 2,591.41

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.