Home / 5,235.27-7,224.67-2,877.56

Finding the Fourth Proportional to 5,235.27, 7,224.67 and 2,877.56

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Solution

The fourth proportional to 5,235.27, 7,224.67 and 2,877.56 is: 3,971.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,235.27 : 7,224.67 = 2,877.56 : x
  2. Step 2: Convert to fraction form
    5,235.27/7,224.67 = 2,877.56/x
  3. Step 3: Cross multiply
    5,235.27x = 7,224.67 × 2,877.56
  4. Step 4: Simplify right side
    5,235.27x = 20,789,421.41
  5. Step 5: Solve for x
    x = 20,789,421.41/5,235.27
  6. Step 6: Final answer
    x = 3,971.03

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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.