Home / 5,314.37-7,331.63-3,425.54

Finding the Fourth Proportional to 5,314.37, 7,331.63 and 3,425.54

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Solution

The fourth proportional to 5,314.37, 7,331.63 and 3,425.54 is: 4,725.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,314.37 : 7,331.63 = 3,425.54 : x
  2. Step 2: Convert to fraction form
    5,314.37/7,331.63 = 3,425.54/x
  3. Step 3: Cross multiply
    5,314.37x = 7,331.63 × 3,425.54
  4. Step 4: Simplify right side
    5,314.37x = 25,114,738.04
  5. Step 5: Solve for x
    x = 25,114,738.04/5,314.37
  6. Step 6: Final answer
    x = 4,725.82

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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.