Home / 5,177.62-7,771.09-3,507.71

Finding the Fourth Proportional to 5,177.62, 7,771.09 and 3,507.71

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Solution

The fourth proportional to 5,177.62, 7,771.09 and 3,507.71 is: 5,264.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,177.62 : 7,771.09 = 3,507.71 : x
  2. Step 2: Convert to fraction form
    5,177.62/7,771.09 = 3,507.71/x
  3. Step 3: Cross multiply
    5,177.62x = 7,771.09 × 3,507.71
  4. Step 4: Simplify right side
    5,177.62x = 27,258,689.06
  5. Step 5: Solve for x
    x = 27,258,689.06/5,177.62
  6. Step 6: Final answer
    x = 5,264.71

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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.