Home / 5,232.18-7,220.39-2,842.17

Finding the Fourth Proportional to 5,232.18, 7,220.39 and 2,842.17

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Solution

The fourth proportional to 5,232.18, 7,220.39 and 2,842.17 is: 3,922.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,232.18 : 7,220.39 = 2,842.17 : x
  2. Step 2: Convert to fraction form
    5,232.18/7,220.39 = 2,842.17/x
  3. Step 3: Cross multiply
    5,232.18x = 7,220.39 × 2,842.17
  4. Step 4: Simplify right side
    5,232.18x = 20,521,575.85
  5. Step 5: Solve for x
    x = 20,521,575.85/5,232.18
  6. Step 6: Final answer
    x = 3,922.18

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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.