Home / 5,778.96-7,974.80-3,683.04

Finding the Fourth Proportional to 5,778.96, 7,974.80 and 3,683.04

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Solution

The fourth proportional to 5,778.96, 7,974.80 and 3,683.04 is: 5,082.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,778.96 : 7,974.80 = 3,683.04 : x
  2. Step 2: Convert to fraction form
    5,778.96/7,974.80 = 3,683.04/x
  3. Step 3: Cross multiply
    5,778.96x = 7,974.80 × 3,683.04
  4. Step 4: Simplify right side
    5,778.96x = 29,371,507.39
  5. Step 5: Solve for x
    x = 29,371,507.39/5,778.96
  6. Step 6: Final answer
    x = 5,082.49

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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.