Home / 5,316.14-7,974.21-2,391.03

Finding the Fourth Proportional to 5,316.14, 7,974.21 and 2,391.03

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Solution

The fourth proportional to 5,316.14, 7,974.21 and 2,391.03 is: 3,586.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,316.14 : 7,974.21 = 2,391.03 : x
  2. Step 2: Convert to fraction form
    5,316.14/7,974.21 = 2,391.03/x
  3. Step 3: Cross multiply
    5,316.14x = 7,974.21 × 2,391.03
  4. Step 4: Simplify right side
    5,316.14x = 19,066,535.47
  5. Step 5: Solve for x
    x = 19,066,535.47/5,316.14
  6. Step 6: Final answer
    x = 3,586.54

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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.