Home / 3,660.87-5,488.70-1,712.01

Finding the Fourth Proportional to 3,660.87, 5,488.70 and 1,712.01

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Solution

The fourth proportional to 3,660.87, 5,488.70 and 1,712.01 is: 2,566.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,660.87 : 5,488.70 = 1,712.01 : x
  2. Step 2: Convert to fraction form
    3,660.87/5,488.70 = 1,712.01/x
  3. Step 3: Cross multiply
    3,660.87x = 5,488.70 × 1,712.01
  4. Step 4: Simplify right side
    3,660.87x = 9,396,700.73
  5. Step 5: Solve for x
    x = 9,396,700.73/3,660.87
  6. Step 6: Final answer
    x = 2,566.79

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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.