Home / 5,221.85-7,208.93-3,552.17

Finding the Fourth Proportional to 5,221.85, 7,208.93 and 3,552.17

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Solution

The fourth proportional to 5,221.85, 7,208.93 and 3,552.17 is: 4,903.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,221.85 : 7,208.93 = 3,552.17 : x
  2. Step 2: Convert to fraction form
    5,221.85/7,208.93 = 3,552.17/x
  3. Step 3: Cross multiply
    5,221.85x = 7,208.93 × 3,552.17
  4. Step 4: Simplify right side
    5,221.85x = 25,607,344.88
  5. Step 5: Solve for x
    x = 25,607,344.88/5,221.85
  6. Step 6: Final answer
    x = 4,903.88

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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.