Home / 5,740.11-7,921.08-3,382.38

Finding the Fourth Proportional to 5,740.11, 7,921.08 and 3,382.38

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Solution

The fourth proportional to 5,740.11, 7,921.08 and 3,382.38 is: 4,667.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,740.11 : 7,921.08 = 3,382.38 : x
  2. Step 2: Convert to fraction form
    5,740.11/7,921.08 = 3,382.38/x
  3. Step 3: Cross multiply
    5,740.11x = 7,921.08 × 3,382.38
  4. Step 4: Simplify right side
    5,740.11x = 26,792,102.57
  5. Step 5: Solve for x
    x = 26,792,102.57/5,740.11
  6. Step 6: Final answer
    x = 4,667.52

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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.