Home / 5,163.66-7,125.78-2,925.49

Finding the Fourth Proportional to 5,163.66, 7,125.78 and 2,925.49

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Solution

The fourth proportional to 5,163.66, 7,125.78 and 2,925.49 is: 4,037.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,163.66 : 7,125.78 = 2,925.49 : x
  2. Step 2: Convert to fraction form
    5,163.66/7,125.78 = 2,925.49/x
  3. Step 3: Cross multiply
    5,163.66x = 7,125.78 × 2,925.49
  4. Step 4: Simplify right side
    5,163.66x = 20,846,398.13
  5. Step 5: Solve for x
    x = 20,846,398.13/5,163.66
  6. Step 6: Final answer
    x = 4,037.14

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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.