Home / 5,233.55-7,221.97-4,815.59

Finding the Fourth Proportional to 5,233.55, 7,221.97 and 4,815.59

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Solution

The fourth proportional to 5,233.55, 7,221.97 and 4,815.59 is: 6,645.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,233.55 : 7,221.97 = 4,815.59 : x
  2. Step 2: Convert to fraction form
    5,233.55/7,221.97 = 4,815.59/x
  3. Step 3: Cross multiply
    5,233.55x = 7,221.97 × 4,815.59
  4. Step 4: Simplify right side
    5,233.55x = 34,778,046.51
  5. Step 5: Solve for x
    x = 34,778,046.51/5,233.55
  6. Step 6: Final answer
    x = 6,645.21

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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.