Home / 5,785.85-7,984.49-3,133.25

Finding the Fourth Proportional to 5,785.85, 7,984.49 and 3,133.25

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Solution

The fourth proportional to 5,785.85, 7,984.49 and 3,133.25 is: 4,323.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,785.85 : 7,984.49 = 3,133.25 : x
  2. Step 2: Convert to fraction form
    5,785.85/7,984.49 = 3,133.25/x
  3. Step 3: Cross multiply
    5,785.85x = 7,984.49 × 3,133.25
  4. Step 4: Simplify right side
    5,785.85x = 25,017,403.29
  5. Step 5: Solve for x
    x = 25,017,403.29/5,785.85
  6. Step 6: Final answer
    x = 4,323.89

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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.