Home / 5,232.12-7,220.58-3,243.72

Finding the Fourth Proportional to 5,232.12, 7,220.58 and 3,243.72

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Solution

The fourth proportional to 5,232.12, 7,220.58 and 3,243.72 is: 4,476.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,232.12 : 7,220.58 = 3,243.72 : x
  2. Step 2: Convert to fraction form
    5,232.12/7,220.58 = 3,243.72/x
  3. Step 3: Cross multiply
    5,232.12x = 7,220.58 × 3,243.72
  4. Step 4: Simplify right side
    5,232.12x = 23,421,539.76
  5. Step 5: Solve for x
    x = 23,421,539.76/5,232.12
  6. Step 6: Final answer
    x = 4,476.49

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Double scale
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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.