Home / 5,921.02-8,170.72-3,401.36

Finding the Fourth Proportional to 5,921.02, 8,170.72 and 3,401.36

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Solution

The fourth proportional to 5,921.02, 8,170.72 and 3,401.36 is: 4,693.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,921.02 : 8,170.72 = 3,401.36 : x
  2. Step 2: Convert to fraction form
    5,921.02/8,170.72 = 3,401.36/x
  3. Step 3: Cross multiply
    5,921.02x = 8,170.72 × 3,401.36
  4. Step 4: Simplify right side
    5,921.02x = 27,791,560.18
  5. Step 5: Solve for x
    x = 27,791,560.18/5,921.02
  6. Step 6: Final answer
    x = 4,693.71

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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.