Home / 4,441.50-6,663.56-1,321.53

Finding the Fourth Proportional to 4,441.50, 6,663.56 and 1,321.53

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Solution

The fourth proportional to 4,441.50, 6,663.56 and 1,321.53 is: 1,982.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,441.50 : 6,663.56 = 1,321.53 : x
  2. Step 2: Convert to fraction form
    4,441.50/6,663.56 = 1,321.53/x
  3. Step 3: Cross multiply
    4,441.50x = 6,663.56 × 1,321.53
  4. Step 4: Simplify right side
    4,441.50x = 8,806,087.84
  5. Step 5: Solve for x
    x = 8,806,087.84/4,441.50
  6. Step 6: Final answer
    x = 1,982.68

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.