Home / 2,390.97-3,588.62-1,005.33

Finding the Fourth Proportional to 2,390.97, 3,588.62 and 1,005.33

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Solution

The fourth proportional to 2,390.97, 3,588.62 and 1,005.33 is: 1,508.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,390.97 : 3,588.62 = 1,005.33 : x
  2. Step 2: Convert to fraction form
    2,390.97/3,588.62 = 1,005.33/x
  3. Step 3: Cross multiply
    2,390.97x = 3,588.62 × 1,005.33
  4. Step 4: Simplify right side
    2,390.97x = 3,607,742.32
  5. Step 5: Solve for x
    x = 3,607,742.32/2,390.97
  6. Step 6: Final answer
    x = 1,508.90

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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.