Home / 3,287.79-4,932.85-2,053.76

Finding the Fourth Proportional to 3,287.79, 4,932.85 and 2,053.76

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Solution

The fourth proportional to 3,287.79, 4,932.85 and 2,053.76 is: 3,081.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,287.79 : 4,932.85 = 2,053.76 : x
  2. Step 2: Convert to fraction form
    3,287.79/4,932.85 = 2,053.76/x
  3. Step 3: Cross multiply
    3,287.79x = 4,932.85 × 2,053.76
  4. Step 4: Simplify right side
    3,287.79x = 10,130,872.55
  5. Step 5: Solve for x
    x = 10,130,872.55/3,287.79
  6. Step 6: Final answer
    x = 3,081.36

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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.