Home / 5,214.35-7,195.95-3,170.25

Finding the Fourth Proportional to 5,214.35, 7,195.95 and 3,170.25

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Solution

The fourth proportional to 5,214.35, 7,195.95 and 3,170.25 is: 4,375.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,214.35 : 7,195.95 = 3,170.25 : x
  2. Step 2: Convert to fraction form
    5,214.35/7,195.95 = 3,170.25/x
  3. Step 3: Cross multiply
    5,214.35x = 7,195.95 × 3,170.25
  4. Step 4: Simplify right side
    5,214.35x = 22,812,960.49
  5. Step 5: Solve for x
    x = 22,812,960.49/5,214.35
  6. Step 6: Final answer
    x = 4,375.03

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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.