Home / 5,231.16-7,222.86-3,465.72

Finding the Fourth Proportional to 5,231.16, 7,222.86 and 3,465.72

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Solution

The fourth proportional to 5,231.16, 7,222.86 and 3,465.72 is: 4,785.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,231.16 : 7,222.86 = 3,465.72 : x
  2. Step 2: Convert to fraction form
    5,231.16/7,222.86 = 3,465.72/x
  3. Step 3: Cross multiply
    5,231.16x = 7,222.86 × 3,465.72
  4. Step 4: Simplify right side
    5,231.16x = 25,032,410.36
  5. Step 5: Solve for x
    x = 25,032,410.36/5,231.16
  6. Step 6: Final answer
    x = 4,785.25

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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.