Home / 3,972.69-5,959.85-1,507.05

Finding the Fourth Proportional to 3,972.69, 5,959.85 and 1,507.05

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Solution

The fourth proportional to 3,972.69, 5,959.85 and 1,507.05 is: 2,260.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,972.69 : 5,959.85 = 1,507.05 : x
  2. Step 2: Convert to fraction form
    3,972.69/5,959.85 = 1,507.05/x
  3. Step 3: Cross multiply
    3,972.69x = 5,959.85 × 1,507.05
  4. Step 4: Simplify right side
    3,972.69x = 8,981,784.41
  5. Step 5: Solve for x
    x = 8,981,784.41/3,972.69
  6. Step 6: Final answer
    x = 2,260.88

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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.