Home / 5,713.08-7,883.78-4,220.44

Finding the Fourth Proportional to 5,713.08, 7,883.78 and 4,220.44

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Solution

The fourth proportional to 5,713.08, 7,883.78 and 4,220.44 is: 5,824.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,713.08 : 7,883.78 = 4,220.44 : x
  2. Step 2: Convert to fraction form
    5,713.08/7,883.78 = 4,220.44/x
  3. Step 3: Cross multiply
    5,713.08x = 7,883.78 × 4,220.44
  4. Step 4: Simplify right side
    5,713.08x = 33,273,020.46
  5. Step 5: Solve for x
    x = 33,273,020.46/5,713.08
  6. Step 6: Final answer
    x = 5,824.01

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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.