Home / 5,460.31-8,190.51-2,174.24

Finding the Fourth Proportional to 5,460.31, 8,190.51 and 2,174.24

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Solution

The fourth proportional to 5,460.31, 8,190.51 and 2,174.24 is: 3,261.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,460.31 : 8,190.51 = 2,174.24 : x
  2. Step 2: Convert to fraction form
    5,460.31/8,190.51 = 2,174.24/x
  3. Step 3: Cross multiply
    5,460.31x = 8,190.51 × 2,174.24
  4. Step 4: Simplify right side
    5,460.31x = 17,808,134.46
  5. Step 5: Solve for x
    x = 17,808,134.46/5,460.31
  6. Step 6: Final answer
    x = 3,261.38

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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.