Home / 5,903.97-8,144.37-3,887.07

Finding the Fourth Proportional to 5,903.97, 8,144.37 and 3,887.07

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Solution

The fourth proportional to 5,903.97, 8,144.37 and 3,887.07 is: 5,362.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,903.97 : 8,144.37 = 3,887.07 : x
  2. Step 2: Convert to fraction form
    5,903.97/8,144.37 = 3,887.07/x
  3. Step 3: Cross multiply
    5,903.97x = 8,144.37 × 3,887.07
  4. Step 4: Simplify right side
    5,903.97x = 31,657,736.30
  5. Step 5: Solve for x
    x = 31,657,736.30/5,903.97
  6. Step 6: Final answer
    x = 5,362.11

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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.