Home / 5,195.81-7,170.22-2,837.95

Finding the Fourth Proportional to 5,195.81, 7,170.22 and 2,837.95

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Solution

The fourth proportional to 5,195.81, 7,170.22 and 2,837.95 is: 3,916.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,195.81 : 7,170.22 = 2,837.95 : x
  2. Step 2: Convert to fraction form
    5,195.81/7,170.22 = 2,837.95/x
  3. Step 3: Cross multiply
    5,195.81x = 7,170.22 × 2,837.95
  4. Step 4: Simplify right side
    5,195.81x = 20,348,751.80
  5. Step 5: Solve for x
    x = 20,348,751.80/5,195.81
  6. Step 6: Final answer
    x = 3,916.38

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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.