Home / 5,163.69-7,125.96-2,925.51

Finding the Fourth Proportional to 5,163.69, 7,125.96 and 2,925.51

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Solution

The fourth proportional to 5,163.69, 7,125.96 and 2,925.51 is: 4,037.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,163.69 : 7,125.96 = 2,925.51 : x
  2. Step 2: Convert to fraction form
    5,163.69/7,125.96 = 2,925.51/x
  3. Step 3: Cross multiply
    5,163.69x = 7,125.96 × 2,925.51
  4. Step 4: Simplify right side
    5,163.69x = 20,847,067.24
  5. Step 5: Solve for x
    x = 20,847,067.24/5,163.69
  6. Step 6: Final answer
    x = 4,037.24

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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.