Home / 5,149.94-7,110.33-3,054.74

Finding the Fourth Proportional to 5,149.94, 7,110.33 and 3,054.74

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Solution

The fourth proportional to 5,149.94, 7,110.33 and 3,054.74 is: 4,217.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,149.94 : 7,110.33 = 3,054.74 : x
  2. Step 2: Convert to fraction form
    5,149.94/7,110.33 = 3,054.74/x
  3. Step 3: Cross multiply
    5,149.94x = 7,110.33 × 3,054.74
  4. Step 4: Simplify right side
    5,149.94x = 21,720,209.46
  5. Step 5: Solve for x
    x = 21,720,209.46/5,149.94
  6. Step 6: Final answer
    x = 4,217.57

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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.