Home / 5,150.76-7,107.62-3,054.52

Finding the Fourth Proportional to 5,150.76, 7,107.62 and 3,054.52

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Solution

The fourth proportional to 5,150.76, 7,107.62 and 3,054.52 is: 4,214.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,150.76 : 7,107.62 = 3,054.52 : x
  2. Step 2: Convert to fraction form
    5,150.76/7,107.62 = 3,054.52/x
  3. Step 3: Cross multiply
    5,150.76x = 7,107.62 × 3,054.52
  4. Step 4: Simplify right side
    5,150.76x = 21,710,367.44
  5. Step 5: Solve for x
    x = 21,710,367.44/5,150.76
  6. Step 6: Final answer
    x = 4,214.98

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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.