Home / 5,235.43-7,224.71-2,877.56

Finding the Fourth Proportional to 5,235.43, 7,224.71 and 2,877.56

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Solution

The fourth proportional to 5,235.43, 7,224.71 and 2,877.56 is: 3,970.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,235.43 : 7,224.71 = 2,877.56 : x
  2. Step 2: Convert to fraction form
    5,235.43/7,224.71 = 2,877.56/x
  3. Step 3: Cross multiply
    5,235.43x = 7,224.71 × 2,877.56
  4. Step 4: Simplify right side
    5,235.43x = 20,789,500.38
  5. Step 5: Solve for x
    x = 20,789,500.38/5,235.43
  6. Step 6: Final answer
    x = 3,970.93

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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.