Home / 4,792.96-7,189.94-1,330.21

Finding the Fourth Proportional to 4,792.96, 7,189.94 and 1,330.21

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Solution

The fourth proportional to 4,792.96, 7,189.94 and 1,330.21 is: 1,995.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,792.96 : 7,189.94 = 1,330.21 : x
  2. Step 2: Convert to fraction form
    4,792.96/7,189.94 = 1,330.21/x
  3. Step 3: Cross multiply
    4,792.96x = 7,189.94 × 1,330.21
  4. Step 4: Simplify right side
    4,792.96x = 9,564,130.09
  5. Step 5: Solve for x
    x = 9,564,130.09/4,792.96
  6. Step 6: Final answer
    x = 1,995.45

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Double scale
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Similar ratio
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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.