Home / 3,731.74-5,589.10-1,785.32

Finding the Fourth Proportional to 3,731.74, 5,589.10 and 1,785.32

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Solution

The fourth proportional to 3,731.74, 5,589.10 and 1,785.32 is: 2,673.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,731.74 : 5,589.10 = 1,785.32 : x
  2. Step 2: Convert to fraction form
    3,731.74/5,589.10 = 1,785.32/x
  3. Step 3: Cross multiply
    3,731.74x = 5,589.10 × 1,785.32
  4. Step 4: Simplify right side
    3,731.74x = 9,978,332.01
  5. Step 5: Solve for x
    x = 9,978,332.01/3,731.74
  6. Step 6: Final answer
    x = 2,673.91

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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.