Home / 5,208.08-7,771.75-4,742.42

Finding the Fourth Proportional to 5,208.08, 7,771.75 and 4,742.42

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Solution

The fourth proportional to 5,208.08, 7,771.75 and 4,742.42 is: 7,076.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,208.08 : 7,771.75 = 4,742.42 : x
  2. Step 2: Convert to fraction form
    5,208.08/7,771.75 = 4,742.42/x
  3. Step 3: Cross multiply
    5,208.08x = 7,771.75 × 4,742.42
  4. Step 4: Simplify right side
    5,208.08x = 36,856,902.64
  5. Step 5: Solve for x
    x = 36,856,902.64/5,208.08
  6. Step 6: Final answer
    x = 7,076.87

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.