Home / 5,235.44-7,224.90-2,877.60

Finding the Fourth Proportional to 5,235.44, 7,224.90 and 2,877.60

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Solution

The fourth proportional to 5,235.44, 7,224.90 and 2,877.60 is: 3,971.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,235.44 : 7,224.90 = 2,877.60 : x
  2. Step 2: Convert to fraction form
    5,235.44/7,224.90 = 2,877.60/x
  3. Step 3: Cross multiply
    5,235.44x = 7,224.90 × 2,877.60
  4. Step 4: Simplify right side
    5,235.44x = 20,790,372.24
  5. Step 5: Solve for x
    x = 20,790,372.24/5,235.44
  6. Step 6: Final answer
    x = 3,971.08

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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.