Home / 5,149.52-7,717.56-4,865.36

Finding the Fourth Proportional to 5,149.52, 7,717.56 and 4,865.36

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Solution

The fourth proportional to 5,149.52, 7,717.56 and 4,865.36 is: 7,291.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,149.52 : 7,717.56 = 4,865.36 : x
  2. Step 2: Convert to fraction form
    5,149.52/7,717.56 = 4,865.36/x
  3. Step 3: Cross multiply
    5,149.52x = 7,717.56 × 4,865.36
  4. Step 4: Simplify right side
    5,149.52x = 37,548,707.72
  5. Step 5: Solve for x
    x = 37,548,707.72/5,149.52
  6. Step 6: Final answer
    x = 7,291.69

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1.5x scale

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.