Home / 5,197.34-7,170.05-3,100.25

Finding the Fourth Proportional to 5,197.34, 7,170.05 and 3,100.25

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Solution

The fourth proportional to 5,197.34, 7,170.05 and 3,100.25 is: 4,276.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,197.34 : 7,170.05 = 3,100.25 : x
  2. Step 2: Convert to fraction form
    5,197.34/7,170.05 = 3,100.25/x
  3. Step 3: Cross multiply
    5,197.34x = 7,170.05 × 3,100.25
  4. Step 4: Simplify right side
    5,197.34x = 22,228,932.01
  5. Step 5: Solve for x
    x = 22,228,932.01/5,197.34
  6. Step 6: Final answer
    x = 4,276.98

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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.