Home / 5,232.62-7,220.99-3,109.61

Finding the Fourth Proportional to 5,232.62, 7,220.99 and 3,109.61

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Solution

The fourth proportional to 5,232.62, 7,220.99 and 3,109.61 is: 4,291.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,232.62 : 7,220.99 = 3,109.61 : x
  2. Step 2: Convert to fraction form
    5,232.62/7,220.99 = 3,109.61/x
  3. Step 3: Cross multiply
    5,232.62x = 7,220.99 × 3,109.61
  4. Step 4: Simplify right side
    5,232.62x = 22,454,462.71
  5. Step 5: Solve for x
    x = 22,454,462.71/5,232.62
  6. Step 6: Final answer
    x = 4,291.25

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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.