Home / 2,995.85-4,134.77-2,286.35

Finding the Fourth Proportional to 2,995.85, 4,134.77 and 2,286.35

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Solution

The fourth proportional to 2,995.85, 4,134.77 and 2,286.35 is: 3,155.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,995.85 : 4,134.77 = 2,286.35 : x
  2. Step 2: Convert to fraction form
    2,995.85/4,134.77 = 2,286.35/x
  3. Step 3: Cross multiply
    2,995.85x = 4,134.77 × 2,286.35
  4. Step 4: Simplify right side
    2,995.85x = 9,453,531.39
  5. Step 5: Solve for x
    x = 9,453,531.39/2,995.85
  6. Step 6: Final answer
    x = 3,155.54

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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.