Home / 3,792.80-5,688.40-1,452.03

Finding the Fourth Proportional to 3,792.80, 5,688.40 and 1,452.03

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Solution

The fourth proportional to 3,792.80, 5,688.40 and 1,452.03 is: 2,177.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,792.80 : 5,688.40 = 1,452.03 : x
  2. Step 2: Convert to fraction form
    3,792.80/5,688.40 = 1,452.03/x
  3. Step 3: Cross multiply
    3,792.80x = 5,688.40 × 1,452.03
  4. Step 4: Simplify right side
    3,792.80x = 8,259,727.45
  5. Step 5: Solve for x
    x = 8,259,727.45/3,792.80
  6. Step 6: Final answer
    x = 2,177.74

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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.