Home / 5,163.28-7,124.78-2,924.71

Finding the Fourth Proportional to 5,163.28, 7,124.78 and 2,924.71

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Solution

The fourth proportional to 5,163.28, 7,124.78 and 2,924.71 is: 4,035.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,163.28 : 7,124.78 = 2,924.71 : x
  2. Step 2: Convert to fraction form
    5,163.28/7,124.78 = 2,924.71/x
  3. Step 3: Cross multiply
    5,163.28x = 7,124.78 × 2,924.71
  4. Step 4: Simplify right side
    5,163.28x = 20,837,904.81
  5. Step 5: Solve for x
    x = 20,837,904.81/5,163.28
  6. Step 6: Final answer
    x = 4,035.79

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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.