Home / 5,213.95-7,195.19-2,823.88

Finding the Fourth Proportional to 5,213.95, 7,195.19 and 2,823.88

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Solution

The fourth proportional to 5,213.95, 7,195.19 and 2,823.88 is: 3,896.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,213.95 : 7,195.19 = 2,823.88 : x
  2. Step 2: Convert to fraction form
    5,213.95/7,195.19 = 2,823.88/x
  3. Step 3: Cross multiply
    5,213.95x = 7,195.19 × 2,823.88
  4. Step 4: Simplify right side
    5,213.95x = 20,318,328.09
  5. Step 5: Solve for x
    x = 20,318,328.09/5,213.95
  6. Step 6: Final answer
    x = 3,896.92

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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.