Home / 5,103.81-7,657.25-4,222.33

Finding the Fourth Proportional to 5,103.81, 7,657.25 and 4,222.33

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Solution

The fourth proportional to 5,103.81, 7,657.25 and 4,222.33 is: 6,334.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,103.81 : 7,657.25 = 4,222.33 : x
  2. Step 2: Convert to fraction form
    5,103.81/7,657.25 = 4,222.33/x
  3. Step 3: Cross multiply
    5,103.81x = 7,657.25 × 4,222.33
  4. Step 4: Simplify right side
    5,103.81x = 32,331,419.89
  5. Step 5: Solve for x
    x = 32,331,419.89/5,103.81
  6. Step 6: Final answer
    x = 6,334.76

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.