Home / 5,105.76-7,048.56-4,367.64

Finding the Fourth Proportional to 5,105.76, 7,048.56 and 4,367.64

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Solution

The fourth proportional to 5,105.76, 7,048.56 and 4,367.64 is: 6,029.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,105.76 : 7,048.56 = 4,367.64 : x
  2. Step 2: Convert to fraction form
    5,105.76/7,048.56 = 4,367.64/x
  3. Step 3: Cross multiply
    5,105.76x = 7,048.56 × 4,367.64
  4. Step 4: Simplify right side
    5,105.76x = 30,785,572.60
  5. Step 5: Solve for x
    x = 30,785,572.60/5,105.76
  6. Step 6: Final answer
    x = 6,029.58

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1.5x scale

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.