Home / 5,475.64-7,556.48-3,118

Finding the Fourth Proportional to 5,475.64, 7,556.48 and 3,118

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Solution

The fourth proportional to 5,475.64, 7,556.48 and 3,118 is: 4,302.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,475.64 : 7,556.48 = 3,118 : x
  2. Step 2: Convert to fraction form
    5,475.64/7,556.48 = 3,118/x
  3. Step 3: Cross multiply
    5,475.64x = 7,556.48 × 3,118
  4. Step 4: Simplify right side
    5,475.64x = 23,561,104.64
  5. Step 5: Solve for x
    x = 23,561,104.64/5,475.64
  6. Step 6: Final answer
    x = 4,302.90

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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.