Home / 5,244.88-7,237.92-2,887.12

Finding the Fourth Proportional to 5,244.88, 7,237.92 and 2,887.12

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Solution

The fourth proportional to 5,244.88, 7,237.92 and 2,887.12 is: 3,984.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,244.88 : 7,237.92 = 2,887.12 : x
  2. Step 2: Convert to fraction form
    5,244.88/7,237.92 = 2,887.12/x
  3. Step 3: Cross multiply
    5,244.88x = 7,237.92 × 2,887.12
  4. Step 4: Simplify right side
    5,244.88x = 20,896,743.59
  5. Step 5: Solve for x
    x = 20,896,743.59/5,244.88
  6. Step 6: Final answer
    x = 3,984.22

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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.