Home / 5,445.96-7,504.56-3,871.32

Finding the Fourth Proportional to 5,445.96, 7,504.56 and 3,871.32

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Solution

The fourth proportional to 5,445.96, 7,504.56 and 3,871.32 is: 5,334.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,445.96 : 7,504.56 = 3,871.32 : x
  2. Step 2: Convert to fraction form
    5,445.96/7,504.56 = 3,871.32/x
  3. Step 3: Cross multiply
    5,445.96x = 7,504.56 × 3,871.32
  4. Step 4: Simplify right side
    5,445.96x = 29,052,553.22
  5. Step 5: Solve for x
    x = 29,052,553.22/5,445.96
  6. Step 6: Final answer
    x = 5,334.70

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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.