Home / 5,349.72-7,381.14-3,671.55

Finding the Fourth Proportional to 5,349.72, 7,381.14 and 3,671.55

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Solution

The fourth proportional to 5,349.72, 7,381.14 and 3,671.55 is: 5,065.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,349.72 : 7,381.14 = 3,671.55 : x
  2. Step 2: Convert to fraction form
    5,349.72/7,381.14 = 3,671.55/x
  3. Step 3: Cross multiply
    5,349.72x = 7,381.14 × 3,671.55
  4. Step 4: Simplify right side
    5,349.72x = 27,100,224.57
  5. Step 5: Solve for x
    x = 27,100,224.57/5,349.72
  6. Step 6: Final answer
    x = 5,065.73

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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.