Home / 5,117.15-7,676.54-2,195.48

Finding the Fourth Proportional to 5,117.15, 7,676.54 and 2,195.48

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Solution

The fourth proportional to 5,117.15, 7,676.54 and 2,195.48 is: 3,293.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,117.15 : 7,676.54 = 2,195.48 : x
  2. Step 2: Convert to fraction form
    5,117.15/7,676.54 = 2,195.48/x
  3. Step 3: Cross multiply
    5,117.15x = 7,676.54 × 2,195.48
  4. Step 4: Simplify right side
    5,117.15x = 16,853,690.04
  5. Step 5: Solve for x
    x = 16,853,690.04/5,117.15
  6. Step 6: Final answer
    x = 3,293.57

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.