Home / 2,431.13-3,649.62-1,610.12

Finding the Fourth Proportional to 2,431.13, 3,649.62 and 1,610.12

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Solution

The fourth proportional to 2,431.13, 3,649.62 and 1,610.12 is: 2,417.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,431.13 : 3,649.62 = 1,610.12 : x
  2. Step 2: Convert to fraction form
    2,431.13/3,649.62 = 1,610.12/x
  3. Step 3: Cross multiply
    2,431.13x = 3,649.62 × 1,610.12
  4. Step 4: Simplify right side
    2,431.13x = 5,876,307.91
  5. Step 5: Solve for x
    x = 5,876,307.91/2,431.13
  6. Step 6: Final answer
    x = 2,417.11

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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.