Home / 5,221.14-7,205.94-3,307.12

Finding the Fourth Proportional to 5,221.14, 7,205.94 and 3,307.12

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Solution

The fourth proportional to 5,221.14, 7,205.94 and 3,307.12 is: 4,564.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,221.14 : 7,205.94 = 3,307.12 : x
  2. Step 2: Convert to fraction form
    5,221.14/7,205.94 = 3,307.12/x
  3. Step 3: Cross multiply
    5,221.14x = 7,205.94 × 3,307.12
  4. Step 4: Simplify right side
    5,221.14x = 23,830,908.29
  5. Step 5: Solve for x
    x = 23,830,908.29/5,221.14
  6. Step 6: Final answer
    x = 4,564.31

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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.