Home / 5,921.30-8,881.26-4,940.36

Finding the Fourth Proportional to 5,921.30, 8,881.26 and 4,940.36

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Solution

The fourth proportional to 5,921.30, 8,881.26 and 4,940.36 is: 7,409.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,921.30 : 8,881.26 = 4,940.36 : x
  2. Step 2: Convert to fraction form
    5,921.30/8,881.26 = 4,940.36/x
  3. Step 3: Cross multiply
    5,921.30x = 8,881.26 × 4,940.36
  4. Step 4: Simplify right side
    5,921.30x = 43,876,577.25
  5. Step 5: Solve for x
    x = 43,876,577.25/5,921.30
  6. Step 6: Final answer
    x = 7,409.96

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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.