Home / 5,785.74-7,983.90-3,267.72

Finding the Fourth Proportional to 5,785.74, 7,983.90 and 3,267.72

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Solution

The fourth proportional to 5,785.74, 7,983.90 and 3,267.72 is: 4,509.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,785.74 : 7,983.90 = 3,267.72 : x
  2. Step 2: Convert to fraction form
    5,785.74/7,983.90 = 3,267.72/x
  3. Step 3: Cross multiply
    5,785.74x = 7,983.90 × 3,267.72
  4. Step 4: Simplify right side
    5,785.74x = 26,089,149.71
  5. Step 5: Solve for x
    x = 26,089,149.71/5,785.74
  6. Step 6: Final answer
    x = 4,509.22

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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.