Home / 5,149.08-7,106.58-3,054.60

Finding the Fourth Proportional to 5,149.08, 7,106.58 and 3,054.60

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Solution

The fourth proportional to 5,149.08, 7,106.58 and 3,054.60 is: 4,215.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,149.08 : 7,106.58 = 3,054.60 : x
  2. Step 2: Convert to fraction form
    5,149.08/7,106.58 = 3,054.60/x
  3. Step 3: Cross multiply
    5,149.08x = 7,106.58 × 3,054.60
  4. Step 4: Simplify right side
    5,149.08x = 21,707,759.27
  5. Step 5: Solve for x
    x = 21,707,759.27/5,149.08
  6. Step 6: Final answer
    x = 4,215.85

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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.