Home / 3,975.75-5,488.16-2,582.55

Finding the Fourth Proportional to 3,975.75, 5,488.16 and 2,582.55

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Solution

The fourth proportional to 3,975.75, 5,488.16 and 2,582.55 is: 3,564.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,975.75 : 5,488.16 = 2,582.55 : x
  2. Step 2: Convert to fraction form
    3,975.75/5,488.16 = 2,582.55/x
  3. Step 3: Cross multiply
    3,975.75x = 5,488.16 × 2,582.55
  4. Step 4: Simplify right side
    3,975.75x = 14,173,434.70
  5. Step 5: Solve for x
    x = 14,173,434.70/3,975.75
  6. Step 6: Final answer
    x = 3,564.97

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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.