Home / 1,637.12-2,455.31-467.10

Finding the Fourth Proportional to 1,637.12, 2,455.31 and 467.10

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Solution

The fourth proportional to 1,637.12, 2,455.31 and 467.10 is: 700.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,637.12 : 2,455.31 = 467.10 : x
  2. Step 2: Convert to fraction form
    1,637.12/2,455.31 = 467.10/x
  3. Step 3: Cross multiply
    1,637.12x = 2,455.31 × 467.10
  4. Step 4: Simplify right side
    1,637.12x = 1,146,872.97
  5. Step 5: Solve for x
    x = 1,146,872.97/1,637.12
  6. Step 6: Final answer
    x = 700.54

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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.