Home / 5,431.31-7,495.41-3,008.73

Finding the Fourth Proportional to 5,431.31, 7,495.41 and 3,008.73

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Solution

The fourth proportional to 5,431.31, 7,495.41 and 3,008.73 is: 4,152.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,431.31 : 7,495.41 = 3,008.73 : x
  2. Step 2: Convert to fraction form
    5,431.31/7,495.41 = 3,008.73/x
  3. Step 3: Cross multiply
    5,431.31x = 7,495.41 × 3,008.73
  4. Step 4: Simplify right side
    5,431.31x = 22,551,664.93
  5. Step 5: Solve for x
    x = 22,551,664.93/5,431.31
  6. Step 6: Final answer
    x = 4,152.16

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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.