Home / 5,100.24-7,642.14-3,148.32

Finding the Fourth Proportional to 5,100.24, 7,642.14 and 3,148.32

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Solution

The fourth proportional to 5,100.24, 7,642.14 and 3,148.32 is: 4,717.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,100.24 : 7,642.14 = 3,148.32 : x
  2. Step 2: Convert to fraction form
    5,100.24/7,642.14 = 3,148.32/x
  3. Step 3: Cross multiply
    5,100.24x = 7,642.14 × 3,148.32
  4. Step 4: Simplify right side
    5,100.24x = 24,059,902.20
  5. Step 5: Solve for x
    x = 24,059,902.20/5,100.24
  6. Step 6: Final answer
    x = 4,717.41

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.