Home / 5,163.49-7,125.78-2,925.73

Finding the Fourth Proportional to 5,163.49, 7,125.78 and 2,925.73

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Solution

The fourth proportional to 5,163.49, 7,125.78 and 2,925.73 is: 4,037.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,163.49 : 7,125.78 = 2,925.73 : x
  2. Step 2: Convert to fraction form
    5,163.49/7,125.78 = 2,925.73/x
  3. Step 3: Cross multiply
    5,163.49x = 7,125.78 × 2,925.73
  4. Step 4: Simplify right side
    5,163.49x = 20,848,108.32
  5. Step 5: Solve for x
    x = 20,848,108.32/5,163.49
  6. Step 6: Final answer
    x = 4,037.60

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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.